Practice Test: Science

Question 1

Mrs. A wants her students to learn to think scientifically. Which of the following is most likely to result in the deepest scientific understanding?

Answer 1

teaching students to design and do simple experiments (hands-on activities result in deeper science learning)

Question 2

*Mr. Z has a class of first grade students. He notices that students who have pets at home have a better understanding of mammals in general than do students who do not have pets. He decides to pair a student who does not have a pet with a student that has a pet dog or a pet cat. He has created a worksheet to scaffold basic understanding of mammals through group discussion. Mr. Z is demonstrating the instructional concept of

Answer 2

zone of proximal development (children assimilate new patterns of thinking by learning with and from individuals who are more proficient and scaffolding provides the structured support for facilitating these interactions and moving to the next level)

Question 3

*Mrs. B’s kindergarten classroom has a science center. Which of the following items would not be found in the science center?
A. a balancing scale so students can investigate relationships between weight and size
B. a magnifying glass that allows students to observe items in more detail
C. a small-size lab coat and glasses so students can dress like scientists
D. a plant so students can monitor and record plant change

Answer 3

a small-size lab coat and glasses so students can dress like scientist (dressing like preconceived notions of what scientists look like does not promote scientific inquiry or thinking)

Question 4

`*Mr. L’s sixth grade class is studying microorganisms. He has given each student a sterile glass container and asked the students to get one ounce samples of water (e.g., tap water, retention pong water, rainwater from puddles, lake water, animal water bowls, and bottled water) which they will use for observations under a microscope in class. What is the biggest problem with this activity?

Answer 4

water from outdoor sourced (e.g., lakes; puddles) can contain microorganisms that cause disease (Mr. B can order cultures from suppliers that are safer)

Question 5

Mrs. T’s class is learning about magnetism. She randomly divides the class into groups of three to complete three experiments. What type of grouping is Mrs. T using?

Answer 5

collaborative learning (unstructured without roles for students within the group)

Question 6

Mrs. B is teaching her fourth-grade students how to collect data. Which of the following classroom activities would be the best choice for achieving that goal?

Answer 6

Mrs. B will put a weather-tracking chart on the wall. For the next ten days students will record the temperature and give a one sentence description of the weather every two hours during the class day (authentic, hands-on opportunity to collect data)

Question 7

Mr. B has created seven stations in his third grade classroom and students are divided into pairs. At each station Mr. B has a different kind of geologic material (e.g., a piece of granite, a piece of coal) as well as a scale and ruler. Each pair of students has a science notebook and pencil. Mr. B tells the students that they will have 2 minutes at each station to learn as much as they can about the materials and take notes. What aspect of the scientific method is Mr. B addressing?

Answer 7

observations

Question 8

Mrs. L has created five stations in her classroom and each station has the following:
Station 1, microscope
Station 2, thermometer
Station 3, scale
Station 4, ruler
Station 5, barometer
She has divided students into groups. Each group has 3 different leaves. Students are instructed to find out as much as they can about their leaves at each station and record their findings. What aspect of the scientific method is Mrs. L most likely to be addressing?

Answer 8

identify necessary equipment and apparatus for measuring and recording the variables (task is not experimental and does not involve variables, students are not asked to analyze their findings)

Question 9

Which of the following is not one of the integrated process skills for identifying and applying science and engineering practices?

Answer 9

ensuring safety (skills include: observing, classifying, predicting, hypothesizing, designing and carrying out investigations, developing and using models, constructing and communicating explanations)

Question 10

A student wants to create a science project to demonstrate chemical changes in matter. Which of the following might be part of the project’s display?

Answer 10

pictures of a new nail and a rusty nail, picture of a partially burned log (rusting and burning, chemical changes, alter the molecular structure of matter)

Question 11

Mr. Isaac wrote the following equation on the board CH(4) + 2 O(2)CO(2) + 2 H(2)O. What is true of the equation?

Answer 11

CH(4) is a reactant; 2 O(2) is a reactant (reactants are materials to the left of the arrow, materials to the right of the arrow are products)

Question 12

Which of the following is true of matter?

Answer 12

matter always has density (matter is anything with mass and volume and density is the ratio of mass to volume)

Question 13

*Ms. P is teaching a lesson on force at a distance. Which of the following can she use as an example?

Answer 13

a magnet

Question 14

A student made a display of about magnets; however, one picture on her poster is incorrect. Which picture is not an example of a magnet?

Answer 14

the element iron (although iron attracts magnets, it is not a magnet; lodestone, compass, the planet earth are all magnets)

Question 15

Caitlin is a fifth grade student. She is writing a report about sounds and has written the following paragraph; however one sentence in the paragraph is factually incorrect. Which sentence is it?
Vibrations, like when you play a guitar or trumpet, is what causes sound. Sound travels about 1,100 ft per second, but travels faster in cold weather. Sounds have highness or lowness (pitch) and are loud or soft (intensity). Sound quality is how much of an object vibrates.

Answer 15

sound travels about 1,100 feet per second, but sound travels faster in cold weather (sound travels faster in warm weather)

Question 16

Ms. J is having her fourth grade students do a project on weather. First she had them look up different kinds of clouds. Then, she had them observe clouds at 8 am, 10 am, noon, and 2 pm each day, describe the weather at those times and predict what weather would occur next. She is checking their observations on different dates and sees one that is clearly incorrect. Which one is it?

Answer 16

September 12, 2 pm: I see dark, flat stratus clouds. I predict sunshine for the rest of the day. (dark stratus clouds indicate prediction of rain)

Question 17

The correct order of planets from the sun is:

Answer 17

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

Question 18

What is true of rocks?

Answer 18

Magma can become igneous rock

Question 19

The most important factor in the earth’s seasonal pattern is the

Answer 19

tilting of the earth’s axis (tilting of the earth’s axis causes the Northern Hemisphere to point toward the sun in summer months, and away from the sun in winter months; reverse is true for Southern Hemisphere)

Question 20

*What is true of the seasons?

Answer 20

days and nights are approx equal in length on the vernal and autumnal equinoxes

Question 21

Asexual propagation is most likely to occur in

Answer 21

bacteria (asexual propagation occurs most often in single-celled animals, fungi are not animals)

Question 22

What is true of activities that differentiate living from nonliving things?

Answer 22

the activities of living organisms are:
food getting
respiration
excretion
growth
repair
movement
response
secretion

Question 23

In plant cells, which of the following allows energy in sunlight to be converted into chemical energy and become biologically available?

Answer 23

Photosynthesis

Question 24

What aspect of a plant cell distinguishes it most from animal cells

Answer 24

chloroplasts and cell walls

Question 25

Precipitation that contains high levels of sulfuric or nitric acid is ______ ?

Answer 25

acid rain

Question 26

*Principal heres teacher say "Today we're going to learn about the 'energy of moving molecules,' What topic is the lesson on?

Answer 26

heat (heat is the energy of moving molecules)

Question 27

Teacher wants her students to learn to think scientifically. Which of the following is most likely to result in deepest scientific understanding?

Answer 27

teaching students to design and do simple experiments

Question 28

All of the following are examples of fossils except? A. an insect in a piece of amber found in South America. B. an arrowhead found in North America. C. a dinosaur bone found in Europe. D. a leaf imprint in coal found in China.

Answer 28

B. an arrowhead in North America | fossil - remains or impression of a prehistoric organism preserved in a petrified form as a mold or cast in rock

Question 29

What was the most immediate, concrete, result of the launching of the Soviet space satellite Sputnik, on October 4, 1957?

Answer 29

congress established NASA in 1958 to focus on space exploration

Question 30

Which of the following would be the correct labels for the water cycle?

Answer 30

evaporation (water coming into cloud) condensation (water in cloud to dark cloud) precipitation (raining) collection (water in ocean)

Question 31

Student has Venn diagram comparing and contrasting bacteria and viruses, what, if anything, is incorrect? (see Venn diagram)

Answer 31

CORRECT: Bacteria reproduce by duplicating Bacteria are responsive to antibiotics The information about bacteria is correct; however, the information about viruses and the information about how viruses and bacteria are alike are incorrect.

Question 32

*A student dropped a book on his toe and said, "Ouch! That hurt!" This is a result of which aspect of the nervous system?

Answer 32

exteroceptors | respond to pain, touch, temperature, and pressure

Question 33

*Mrs. Smith had the following short answer question on an exam: Describe the nitrogen cycle. Which response is correct?

Answer 33

Nitrogen-fixing bacteria live in the soil and in the roots of legumes (e.g., beans, peas, and clover). Bacteria change the nitrogen in the air (that plants cannot use) into nitrogen materials that plants can use. After animals eat plants, they give off waste materials that contain nitrogen.

Question 34

Ms. Lee is teaching her fifth-grade students how to use a microscope. Which of the following microscope activities would not be appropriate in meeting this goal?

Answer 34

having students prick their fingers and examine a drop of blood

Question 35

``` Mr. Post is teaching a lesson on force at a distance. Which of the following can he use as an example? A. a lever B. a screw C. a magnet D. a pulley ```

Answer 35

C. Magnet

Question 36

Ms. Jackson's fourth-grade students are doing a project on weather. First, she had them look up different kinds of clouds. Then she had them observe the sky at 8 am, noon, and 2 pm, describe the clouds, and predict the weather. She is checking their observations for different dates and sees one that is clearly incorrect. Which one is it? A. September 3, 10 am. I see light-colored stratus clouds in a blue sky. I predict the weather will stay the same. B. September 8, noon: I see thin, wispy cirrus clouds. I predict a change in the weather. C. September 12, 2 pm: I see dark, flat stratus clouds. I predict sunshine for the rest of the day. D. September 14, 10 am: I see white fluffy cumulus clouds. I predict good weather.

Answer 36

September 12, 2 pm: I see dark, flat stratus clouds. I predict sunshine for the rest of the day.

Question 37

What aspects of a plant cell distinguish it from an animal cell?

Answer 37

chloroplasts and cell walls

Question 38

In plant cells, what process allows the energy in sunlight to be converted to chemical energy and become biologically available?

Answer 38

photosynthesis

Question 39

What is another name for a testable question?

Answer 39

hypothesis

Question 40

``` *Which of the following is the application of science for the benefit of mankind? A. technology B. STEM C. experimentation D. investigation ```

Answer 40

A. technology

Question 41

Which of the following could be best used to collect data for analysis? A. scale model of the solar system B. survey of a class's food preferences in terms of calories C. demonstration of ways to graph an equation D. creating a testable hypothesis

Answer 41

survey of a class's food preferences in terms of calories

Question 42

Mr. Kwan wants to apply Vygotsky's theory of the Zone of Proximal Development in his third grade classroom in terms of learning about the human skeleton. Which activity would achieve this goal?

Answer 42

partnering his students with fourth grade students who learned about the human skeleton last year

Question 43

The principal in Ms. Bridge's school wants the teachers to include more formal learning activities into science instruction. What activity would best achieve this goal?

Answer 43

a lecture and test on cell division

Question 44

Mr. Alder wants to know the difference between cooperative and collaborative learning. Which colleague has the answer?

Answer 44

Ms. Carter: Cooperative learning includes positive interdependence and structured group interactions whereas collaborative learning is loosely organized small groups.

Question 45

Which of the following exemplifies a chemical change? A. a rusty frying pan B. the evaporation of rainwater C. freezing a popsicle D. heating tomato soup in a microwave oven

Answer 45

a rusty frying pan

Question 46

``` Mrs. Penny asked her students to name a food that is a homogeneous mixture. Which student has the correct answer? A. Jake: Spaghetti and meatballs B. Austin: apple pie C. Kelsey: vanilla yogurt D. Cody: chicken noodle soup ```

Answer 46

C. Kelsey: vanilla yogurt

Question 47

Principal McManus looked in Mr. Kelly's fifth-grade classroom and heard the class discussing Pangaea. What was most likely a topic in Mr. Kelly's lesson?

Answer 47

continental drift

Question 48

What is measured by the Richter scale?

Answer 48

the magnitude of an earthquake

Question 49

*What is the purpose of the Linnaean system?

Answer 49

naming structure for species

Question 50

Paula has been observing a plant and sees evidence of phototropism. What did Paula see?

Answer 50

the plant bending toward the light

Question 51

*Mr. Carrier wants to teach his second-grade class about the process of observation. He divided his students into groups and gave each group 4 worksheets divided into five sections: taste, touch, smell, see, listen. He also included pictures (e.g., eyes for see; ears for listen) to help cue the words so students will remember what to do. He has given the students a piece of lemon, a piece of apple, a piece of celery, and a small carrot. The groups are to complete the worksheet by recording their observations for each item. This activity exemplifies

Answer 51

scaffolding

Question 52

Mrs. Thompson is teaching her first-grade students different aspects of the scientific method. She has divided the class into groups and has given each group a box of wooden beads of differing colors, shapes, and sizes. She has asked the students to organize the beads and then explain how the beads were organized. Which aspect of the scientific method does the activity best exemplify?

Answer 52

classification

Question 53

``` Ms. Catalano is playing a game with her students. She describes a state of matter and then they tell her what exemplifies it. She said, "This matter has molecules that move freely." Which guess is correct? A. a ball rolling down a hill B. air inside a balloon C. cereal and milk in a bowl D. water in a drinking fountain ```

Answer 53

B. air inside a balloon

Question 54

Anna wrote the following paragraph about atoms: Atoms are made of molecules. If the atoms are the same, it forms an element. The atomic number is used to organize the periodic table. What sentence, if any, is factually incorrect?

Answer 54

A. Atoms are made of molecules.

Question 55

Mr. Carpenter wrote the following words on the board: folded, fault-block, domes, volcanic. What geological feature is most likely to be the topic of his lesson?

Answer 55

mountains

Question 56

``` Mrs. Donovan asked her students to identify something that has a positive effect on the environment. Which student has the correct answer? A. Gerald: clear cutting a forest B. Logan: aquaculture C. Rachel: using fossil fuels D. Nova: algae bloom ```

Answer 56

B. Logan: aquaculture

Question 57

What do the following three words have in common? archaea, bacteria, eukarya

Answer 57

A. domain names

Question 58

What is protista?

Answer 58

an organism that doesn't fit into other categories

Question 59

*How do scientific laws differ from scientific theories?

Answer 59

Scientific laws describe and scientific theories explain

Question 60

*What is a goal of scientific literacy?

Answer 60

participation in the decision-making process of our society

Question 61

The National Academy of Sciences identified six competencies for teachers of science at any grade level. Which of the following is NOT one of these competencies? A. planning of inquiry-based science programs B. guiding and facilitating student learning C. increasing assessment scores on state exams D. creating communities of science learners

Answer 61

C. increasing assessment scores on state exams

Question 62

*Ms. Kendrick is teaching first grade and she wants her students to learn about the scientific method. In terms of developmental skills, what would be the best activity to teach first?

Answer 62

observation

Question 63

What is defined as the ability of matter to move other matter or produce a chemical change in other matter?

Answer 63

energy

Question 64

``` Which of the following exemplifies potential energy? A. music B. an electric heater C. sunlight D. gravity ```

Answer 64

D. gravity

Question 65

*In terms of the composition of Earth, in what layer would you find semi-molten rock?

Answer 65

mantle

Question 66

*Marble is which type of rock?

Answer 66

metamorphic

Question 67

Asexual propagation is most likely to occur in

Answer 67

single-celled organisms

Question 68

A discussion about Punnett squares is most likely to address an aspect of

Answer 68

reproduction

Question 69

What is true about differentiation of instruction?

Answer 69

It exemplifies universal design for learning

Question 70

*Mrs. Proctor's fourth-grade students are investigating wind speed. What science tool would be best to use?

Answer 70

an anemometer

Question 71

``` *Mr. Cohen's second-grade class has been learning about measurement in terms of the scientific method. He is reviewing various measurements that were recorded. Which one is correct? A. increase in weight by 6 kiloliters B. temperature of 43 kcal C. wood chip density of 3 grams D. plant height of 1 meter ```

Answer 71

D. plant height of 1 meter

Question 72

A class is investigating the relationship between temperature and time of day. What would be the best way to capture that data in order to identify a pattern?

Answer 72

data table

Question 73

Where would you most likely see Archimedes' Principle in action?

Answer 73

in a bathtub of water (Archimedes' principle states that an object is buoyed up by a force equal to the mass of the material the object displaces)

Question 74

*As a state of matter, where would plasma most likely be found?

Answer 74

on the Sun (plasma occurs when matter is heated beyond its gaseous state to become ionized as a high-energy gas-like fluid of charged particles with no definite volume or shape)

Question 75

Which of the following statements about atoms is true? A. A neutral atom has an equal number of protons and neutrons. B. If an atom has more electrons than protons, the atom has a negative charge. C. If an atom has fewer electrons than neutrons, the atom has a positive charge. D. Protons and electrons are in the nucleus of an atom.

Answer 75

B. If an atom has more electrons than protons, the atom has a negative charge.

Question 76

*What characterizes the world view of science?

Answer 76

Scientific knowledge is durable.

Question 77

Mr. Bass is teaching his fifth-grade students how to plot data from an experiment. The students wanted to see how long it would take beans to sprout in terms of differing amounts of water. The beans were placed in a row near a sunny window. What should Mr. Bass tell the class?

Answer 77

The amount of water is the independent variable and it should be graphed on the x-axis.

Question 78

*Ms. Spaulding showed her students a picture that showed a small, rolling hill that recently had the soil plowed in rows. The rows went up one side of the hill and down the other side. She asked the students to examine the picture and predict what might happen after a heavy rain. Which is the correct prediction?

Answer 78

erosion at the top of the hill and deposition at the bottom (erosion occurs when water washes, glaciers push, or wind blows soil or rock away and deposits it in another area (deposition))

Question 79

``` Mr. Carter's class is learning about cells. He asked his students to identify the most important thing they learned about cells and why it was important. The information some students gave was factually incorrect. Who provided the correct information and rationale? A. William: The cell wall is most important because it make rocks and minerals strong. B. Clarissa: DNA is most important because it is used to help the cell maintain homeostasis C. Tonya: Cell division is important because pre-existing cells are gained through osmosis. D. Phil: The metabolic process of a cell is most important because that's how life is sustained. ```

Answer 79

D. Phil: The metabolic process of a cell is most important because that's how life is sustained

Question 80

Jasmine notices that the pupils of her cat's eyes get larger in the dark and smaller in the light. This is an example of

Answer 80

irritability

Question 81

*Which of the following best exemplifies research-based teaching in science?

Answer 81

Mr. S has divided his third grade class into groups. Each group has been given an egg and some simple building materials (e.g., craft sticks, hot glue, three paper towels, two rubber bands, and five drinking straws). Each group needs to research, create, and test structures to protect the egg to see which egg can survive the greatest drop. After completing all the drops, students will explain which structure worked best and why.

Question 82

Ms. C is reviewing policies for safety in teaching her students fifth-grade science. Which policy needs to be changed? A. replace glass containers with polyethylene containers B. replace mercury thermometers with alcohol thermometers C. include the use of human cells (e.g., nail clippings, skin, or blood samples) for microscopic observation. D. prevent students from tasting mineral samples

Answer 82

C. include the use of human cells (e.g., nail clippings, skin, or blood samples) for microscopic observation.

Question 83

*Mr. L's fifth-grade class is doing an experiment with plant growth. He divided his students into groups. Each group got two daisy seeds from the same package of seeds. The groups all had the same kind of soil and planted them at the same time of the day. The plants were in the same classroom. Each plant got the same amount of liquids each day. However, each plant got a different type of liquid (i.e., tap water, bottles water, carbonated water, orange juice, milk, and so on). The students measured the plants each week for six weeks. Which statement is correct?

Answer 83

The independent variable is the type of liquid

Question 84

*Mr. H is using a STEM-based approach with his third-grade class. What would you expect to see students doing in his classroom?

Answer 84

researching and identifying new ways to reuse waste products at the school

Question 85

What is the definition of density?

Answer 85

Density if defined as the ratio of mass to volume

Question 86

What is melting?

Answer 86

melting occurs when a solid changes to a liquid through the addition of heat

Question 87

Mr. P is showing his students a readout from a seismograph, which is used to measure

Answer 87

earthquakes

Question 88

*Ms. L is describing the cryosphere of the earth. What information should ms. L include in her lesson?

Answer 88

Why glaciers and polar ice caps are important

Question 89

*Ms. C's class is learning about the integumentary system. What does Ms. C most likely teach?

Answer 89

biology

Question 90

*What is an example of an autotroph

Answer 90

an apple tree

Question 91

Which of the following is the best example of research-based teaching strategies in science? A. A fifth grade class takes a field trip to the zoo to see animals. B. A high school biology class goes to a lecture given by a prize-winning botanist. C. An elementary school student learns about states of matter. D. A group of middle school students decides to collect data on how much time they study and test scores to determine if a correlation exists.

Answer 91

D. A group of middle school students decides to collect data on how much time they study and test scores to determine if a correlation exists.

Question 92

Mrs. Knapp’s physics class is learning about mass, weight, and volume. She asked the class to write one fact about mass. Which of the following is the correct response? A. Mass is the same as weight. B. Weight is the force of gravity on an object. C. The formula for determining mass of a rectangular object is L x W x H. D. Volume is the same as mass.

Answer 92

B. Weight is the force of gravity on an object.

Question 93

``` *Which instructional strategy is part of Vygotsky’s learning theory, the Zone of Proximal Development? A. scaffolding B. differentiation of instruction C. active learning D. individualized instruction ```

Answer 93

A. scaffolding

Question 94

``` What kind of data is definitively expressed in the following graph? (see graph) x x x x x x x x x ```

Answer 94

nonlinear

Question 95

Which of the following exemplifies chemical change? A. H2O at boiling point becomes a vapor. B. An iron pot gets rusty. C. A jeweler takes a rough diamond and cuts it into a polished diamond. D. Helium gas is used to inflate balloons.

Answer 95

B. An iron pot gets rusty.

Question 96

``` Ms. Monroe’s class has been studying phases of matter. Ms. Monroe asked the class what occurs when heat is added to a solid. Which student has the correct answer? A. Jamie: condensation B. Caleb: evaporation C. Andre: melting D. Joe: sublimation ```

Answer 96

C. Andre: melting

Question 97

Mrs. Coltharp is a new science teacher at South Lake Middle School. Before school begins in August, she inventories the materials in a science lab. What material should be removed or replaced for safety reasons? A. alcohol thermometers B. glass beakers C. chemicals that were purchased the preceding April D. a collection of shells and coral

Answer 97

B. glass beakers

Question 98

``` Which of the following results from erosion? A. rivers B. glaciers C. mountains D. canyons ```

Answer 98

D. canyons

Question 99

``` Which of the following contribute(s) to the ability to participate in the decision-making process of our society as well-informed and contributing members? A. Data collection B. Understanding technology C. Scientific process skills D. Scientific literacy ```

Answer 99

D. Scientific literacy

Question 100

*Mr. Dickinson’s class is discussing heterogeneous and homogeneous mixtures. Mr. Dickinson asked students to provide an example of either a homogenous or heterogeneous substance. Which student’s response is correct? A. Mara: Skim milk is an example of a heterogeneous substance B. Kim: Canned spray paint is an example of a homogeneous substance. C. Mike: Oil and vinegar dressing is a homogenous substance. D. Geoffrey: Air is a homogeneous substance.

Answer 100

D. Geoffrey: Air is a homogeneous substance.

Question 101

Knowledge of the physical world is based on ____________ and _________________,

Answer 101

Knowledge of the physical world is based on _observation__ and _experimentation__,

Question 102

Mr. Mitchell has divided students into groups of three. Each group has a graduated cylinder. What can they do with this tool?

Answer 102

measure volume

Question 103

*Cooling lava forms what type of rock?

Answer 103

igneous

Question 104

Which of the following is an example of potential energy? A. a battery B. a bolt of lightning C. the sun D. a car rolling down a hill

Answer 104

A. a battery

Question 105

Mr. Cravell’s students are learning about the cryosphere. What living organism might be included in the unit?

Answer 105

polar bears

Question 106

*Which of the following exemplifies conduction? A. A plant placed in a sunny window B. A pot placed on an electric stove C. A man warming his hands in front of a fireplace D. A hot air balloon rises

Answer 106

B. A pot placed on an electric stove

Question 107

April is creating flashcards to help her learn the different levels for categorizing organisms. She already has cards for kingdom, order, and phylum. Which of the following should also be included?

Answer 107

family, species, class

Question 108

``` Which of the following courses is a STEM subject? A. business B. geometry C. economics D. physical geography ```

Answer 108

B. geometry

Question 109

Ms. McIntire’s class is making Punnett squares. The students are learning about

Answer 109

heredity

Question 110

When two air masses meet, the boundary is called

Answer 110

a front

Question 111

*Kevin has been studying cloud types. He sees cumulonimbus clouds. What kind of weather should he expect?

Answer 111

a big storm

Question 112

Creating a testable question is termed ________________.

Answer 112

hypothesizing

Question 113

A(n) ________________ is collection of information organized by fields, records, and files which can be accessed, managed, and updated.

Answer 113

database

Question 114

The kind of energy produced by moving electrons is described as _________________.

Answer 114

electrical

Question 115

Archimedes’ principle involves ________________.

Answer 115

buoyancy

Question 116

*Mr. Baxter has asked his science students to explain the difference between scientific laws and scientific theories.

Answer 116

Scientific theories explain what occurs in the universe and scientific laws describe what occurs in the universe.

Question 117

Ms. Wilkins wants to provide her students a digital frog dissection experience. Which type of software would be the best choice for achieving this goal?

Answer 117

simulation

Question 118

At the beginning of the school year, Ms. Grayson wants to know what her fifth grade students already know about the science concepts she will be teaching that year. What type assessment is best to achieve this purpose?

Answer 118

diagnostic

Question 119

When the earth blocks the sun’s light from reaching the moon, the result is a __________.

Answer 119

lunar eclipse

Question 120

*Mr. Baker is concerned about the Digital Divide in terms of how he assigns science homework. Specifically, what might be his concern?

Answer 120

Students who have learning disabilities or ADHD may not be able to process content independently.

Question 121

Instruction that maximizes learning for all students is termed ________________.

Answer 121

universal design

Question 122

The first man to walk on the moon was _________________

Answer 122

Neil Armstrong

Question 123

What kind of variable is difficult to control in field experiments?

Answer 123

extraneous

Question 124

When the students in Mr. Tatum’s science class enter the room, they see he has written “Pangaea” on the board. What is likely to be the focus of the lesson?

Answer 124

Continental Drift

Question 125

An element contains only one kind of ______________.

Answer 125

An element contains only one kind of ___atom_____.

Question 126

The Law of Conservation of Energy states that ___________________.

Answer 126

energy cannot be created or destroyed

Question 127

The director of food services has come to Ms. Caruso’s eighth-grade science class with a challenge. The director tells the class that many of the school’s kindergarten students are not eating the school lunch and throwing food away. She wants them to determine how much food is lost, why the kindergarten students don’t eat the food, and what can be done to encourage the kindergarten students to eat the meals. This is an example of _______________.

Answer 127

problem-based learning

Question 128

In terms of the energy pyramid, an autotroph ______________.

Answer 128

uses photosynthesis to create food from the sun

Question 129

What occurs in phototropism?

Answer 129

Plants grow toward a light source.

Question 130

Catherine has created the following concept map: parts of animal cells - included chloroplasts If her teacher is correcting her work, what kind of feedback should he provide?

Answer 130

"Chloroplast should not be on this map, Catherine."

Question 131

Microscopic single-cell prokaryotes of various shapes that include rod, round, and spiral that do not have a defined nucleus or depend on hosts for survival are __________________.

Answer 131

bacteria

Question 132

A student conducted a controlled experiment that examined the effect of different types of food on weight gain in baby chicks. What is true of the experiment?

Answer 132

Food type is the independent variable.

Question 133

What is an example of a contact force?

Answer 133

A player kicking a football

Question 134

All the living and nonliving things in a given environment and how they interact in terms of cooperation, competition, and/or conflict relationships is called a(n) _________________.

Answer 134

ecosystem

Question 135

*Ms. Easley’s class is playing Jeopardy to review for a biology test. The answer is “xylem and phloem.” What is the question?

Answer 135

what are the parts of a plant?

Question 136

*The processes by which an organism, based on feedback, regulates and maintains internal conditions within limits is ____________________________.

Answer 136

homeostasis

Question 137

``` Which tool would be most useful in interpreting data? A. graphing calculator B. digital camera C. word processor D. measures of capacity ```

Answer 137

A. graphing calculator

Question 138

Organisms that are not plants, animals, or bacteria are called _________________.

Answer 138

fungi

Question 139

Mrs. Gachet knows that Universal Design is characterized by multiple means of _______, __________, and _________________.

Answer 139

expression, engagement, representation

Question 140

What can be concluded from data graphed on an x-y plot?

Answer 140

Points on the graph show relationships between the independent and dependent variables.

Question 141

Plant propagation is also called plant ___________________.

Answer 141

reproduction

Question 142

Amanda is creating a concept map for her science class. She has written "Richter scale" and "seismograph." These terms would be related to the concept of _________________.

Answer 142

earthquakes

Question 143

Fossil fuels come from ___________________,

Answer 143

decomposition of organic materials over time

Question 144

Mrs. Keaton’s class is studying the essential characteristics of living organisms. She has asked her students to identify one of the six characteristics. Which student gave a WRONG response? A. Gretchen: All living organisms consist of cells B. Karina: All organisms move. C. Van: All living organisms grow. D. Leo: All living organisms reproduce.

Answer 144

B. Karina: All organisms move.

Question 145

``` Which of the following is an example of an organelle? A. a human heart B. muscle tissue C. the nucleus of a plant cell D. bacteria ```

Answer 145

C. the nucleus of a plant cell