Chapter 1 - The Study of Life

Question 1

Name 6 steps of the Scientific Method

One Quilted Hat per Ex Con

Answer 1

1. Observation
2. Question
3. Hypothesis
4. Prediction
5. Experiment
6. Conclusion

Question 2

Define variable

Answer 2

Something that changes

Question 3

What is the first step of the scientific method?

Answer 3

Observation

Question 3

True or False: A hypothesis is a testable prediction.

Answer 3

True

Question 4

Fill in the blank: The scientific method typically begins with __________.

Answer 4

observation

Question 5

A proposed explanation for a phenomenon, which can be tested.

Answer 5

Hypothesis

Question 6

Which step follows the formulation of a hypothesis?

Answer 6

Prediction

Question 7

What is the purpose of conducting experiments in the scientific method?

Answer 7

To test the validity of the hypothesis.

Question 8

What is the process of gathering and measuring information in a systematic way?

Answer 8

Data collection

Question 9

Fill in the blank: After analyzing data, scientists draw __________ based on their findings.

Answer 9

conclusions

Question 10

What is the evaluation of scientific work by one or more experts in the field.

Answer 10

Peer Review

Question 11

True or False: Conclusions can lead to new hypotheses.

Answer 11

True

Question 12

Multiple Choice: Which of the following is a key component of a scientific experiment? A) Random Guessing B) Controlled Variables C) Subjective Interpretation D) Emotional Influence

Answer 12

B) Controlled Variables

Question 13

Fill in the blank: The __________ is a statement that describes the expected outcome of an experiment.

Answer 13

hypothesis

Question 14

What are independent and dependent variables?

Answer 14

Independent variables are manipulated in an experiment, while dependent variables are measured.

Question 15

What is a well-substantiated explanation based on a body of evidence.

Answer 15

Theory

Question 16

What is the role of controls in an experiment?

Answer 16

To ensure that the results are due to the independent variable and not other factors.

Question 17

Fill in the blank: Scientists must remain __________ when interpreting data to avoid bias.

Answer 17

objective

Question 18

True or False: The scientific method can be used in fields outside of natural sciences.

Answer 18

True

Question 19

Any factor that can be controlled, changed, or measured in an experiment.

Answer 19

A variable

Question 20

What are 6 properties of life?

H A I R S A

Answer 20

1. Homeotasis
2. Acquire and use energy
3. Interact with environment
4. reproduce grow and develop
5. S - Perceive /respond to stimuli
6. Adapt and evolve

Question 21

TRUE or FALSE
Viruses are living things

Answer 21

FALSE

Question 22

Do RESULTS prove, support or refute a hypothesis?

Answer 22

DO NOT PROVE. They support or refute

Question 23

What is a CONSTANT in an experiment?

Answer 23

Stays the same in the WHOLE experiment

Question 24

What is an Independent Variable?

Answer 24

What did you change?

Question 25

What is a CONTROL?

Answer 25

The baseline for comparison This is a controlled variable

Question 26

What is a Dependent Variable?

Answer 26

What did you measure? ex. health of plants measured

Question 27

What are the Scientific Levels of Classification? Only One Thing Can Make Atoms

Answer 27

1. Organ sytem 2. Organ 3. Tissue 4. Cell 5. Molecule 6. Atom

Question 28

The basic unit of life

Answer 28

Cell

Question 29

Smallest particle of element

Answer 29

Atom

Question 30

Combination of atoms

Answer 30

Molecule

Question 31

3 domains Highest classification of organisms

Answer 31

1. Bacteria 2. Archaea 3. Eukarya

Question 32

What are phylogenies?

Answer 32

A visual representation of the evolutionary history of a group of organisms

Question 33

The binomial system is used to name organism

Answer 33

Homo sapiens

Question 34

You observe a plant on your windowsill that is growing at an angle toward the outside. This is an example of a living thing ___________________

Answer 34

Responding to stimuli

Question 35

Which hypothesis can be scientifically proven? 1. An animal ate all the salamanders 2. The marigold repelled the salamanders 3. The salamander god called them home 4. The garden was too wet for the salamanders

Answer 35

The marigold repelled the salamanders - if you have two exact beds with same soil, water and salamanders, then add marigolds The garden was too wet - Both beds exactly the same except amount of water

Question 36

Define an experimental control.

Answer 36

The experimental control, or negative control, is the independent variable that does not change. It shows that no other unexpected variable can result in a false positive.

Question 37

What is the independent variable in an experiment?

Answer 37

what you change

Question 38

What is the dependent variable?

Answer 38

what you measure - collect

Question 39

What is the control of an experiment?

Answer 39

The control is the constant - what you do not change

Question 40

What is the treatment?

Answer 40

The treatment is the independent variable. It is the ONLY part of the experiment that changes.

Question 41

What is the control in the marigold experiment?

Answer 41

The control would be 10 empty beds - no marigolds

Question 42

What are the controlled variables in the marigold experiment?

Answer 42

Same soil, sunlight, exposure, temperature and moisture

Question 43

What is difference between control and controlled variables?

Answer 43

Controlled variables are constant - while controls can be positive or negative. A control group has no treatment. It acts as a baseline.

Question 44

What is the mean?

Answer 44

The average - add them all and divide by number of items

Question 45

Which type of graph best represents this data?

Answer 45

Bar line graph