Vocabulary 70-95 +4 Words

Question 1

experiment

Answer 1

a controlled procedure done to discover, demonstrate, or test a hypothesis and follows the scientific method

Question 2

fault

Answer 2

a breakage in rock due to the displacement of Earth’s crust

Question 3

First Law of Thermodynamics

Answer 3

a law that states the internal energy of a system remains constant and the change of thermal energy inside a system is equal to the amount of work it does

Question 4

food chain

Answer 4

the transfer of energy through different stages due to the feeding patterns of organisms

Question 5

food web

Answer 5

the feeding relationships of a food chain concerning a group of organisms

Question 6

force

Answer 6

a vector that induces acceleration, such as a push or pull

Question 7

fossil

Answer 7

a whole or part of an animal or plant that has been preserved in sedimentary rock

Question 8

fossil fuels

Answer 8

the remains of an animal or plant from previous geologic ages now suitable for use as fuel

Question 9

frequency

Answer 9

the number of cycles or waves per unit time

Question 10

friction

Answer 10

a force that resists the motion of two objects that are in contact with one another

Question 11

fulcrum

Answer 11

the pivoting point of a lever

Question 12

galaxy

Answer 12

a mass series of stars, gases, and dust that are part of the universe, bound together by gravity

Question 13

gas

Answer 13

a basic state of matter in which molecules do not have a definite volume or shape

Question 14

gene

Answer 14

a certain part of a chromosome or strand of DNA that determines a trait of an organism

Question 15

genotype

Answer 15

a sum of genetic information within an organism

Question 16

gravitation

Answer 16

a force of attraction between two bodies

Question 17

gravity

Answer 17

the effect of gravitation

Question 18

habitat

Answer 18

the place in an ecosystem where an organism lives

Question 19

half life

Answer 19

the amount of time it takes for half of a sample of radioactive element to decay

Question 20

heat

Answer 20

a form of energy due to the temperature difference of a system and its surroundings

Question 21

heat of fusion

Answer 21

the amount of heat required to melt a substance

Question 22

heat of vaporization

Answer 22

the amount of heat energy required to evaporate a substance

Question 23

herbivore

Answer 23

an animal that obtains its nutrients from plants

Question 24

heterozygous

Answer 24

a cell or organism that has two different alleles for a certain trait

Question 25

homozygous

Answer 25

a cell or organism that has the same type of alleles for a certain trait

Question 26

Newton’s First Law of Motion

Answer 26

a law that states an object in motion or rest will stay in its state of motion until an unbalance force acts upon it

Question 27

Newton’s Second Law of Motion

Answer 27

a law that states an object with a force acting on it will accelerate in the direction of that force, describing the relationship between force and mass

Question 28

Newton’s Third Law of Motion

Answer 28

a law that states every action has an equal and opposite reaction

Question 29

homeostasis

Answer 29

the process by which a system’s internal environment is kept stable, especially when concerning the bodies organisms