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 if salt in the water affects his goldfish?

Back

how much salt is in the water

Front

Randell wants to determine if salt in the water has an effect on his goldfish. What is the dependent variable?

Back

health of his goldfish

Front

What is the independent variable in Julie's study on the effect of studying 10 minutes extra each day on her Math?

Back

studying 10 extra minutes

Front

What is the dependent variable when Julie studies 10 minutes extra each day for Math?

Back

her math grade

Front

What is the independent variable in Joe's experiment to determine the effect of pesticides on the size of apples?

Back

use of pesticides

Front

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

Back

size of apples