Science Variables

Front

What you measure or observe in an experiment.

Back

dependent variable

Front

The ONE thing you change in an experiment.

Back

independent variable

Front

What is the independent variable in determining the effect of fertilizer on the growth of grass?

Back

amount of fertilizer

Front

What is the dependent variable in determining the effect of fertilizer on the growth of grass?

Back

height of grass

Front

What is the independent variable in Randell's experiment to determine the effect of salt on his goldfish?

Back

how much salt is in the water

Front

Dependent variable in Randell's experiment on salt's effect on goldfish.

Back

health of his goldfish

Front

What is the independent variable in determining the effect of pesticides on the size of apples?

Back

use of pesticides

Front

What is the dependent variable in Joe's study on the effect of pesticides on apple size?

Back

size of apples

Front

What is the independent variable in Angel's experiment on the effect of soap type on cleanliness of clothes?

Back

type of soap

Front

What is the dependent variable in Angel's experiment on the effect of soap type on cleanliness of clothes?

Back

how clean the clothes are