science key words

Question 1

theory

Answer 1

a hy pothesis that has been supported b y many diffrent experiments

Question 2

hypothesis

Answer 2

is an educated guess based on observations

Question 3

principle

Answer 3

a law developing from a theory that has been shown to be valid when tested over a long period of time

Question 4

variable

Answer 4

a factor that may chan ge during an experiment

Question 6

a control

Answer 6

variable that does not change a