Independent and dependent variables

Front

The variable that stays the same

Back

control

Front

What is the manipulated (independent) variable in Justin's tissue test?

Back

type of tissue

Front

Which of these hypotheses is testable?

Back

If the room is quieter, scores on tests will increase

Front

This variable in an experiment is the one being deliberately changed by the scientist.

Back

independent variable

Front

Identify the independent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp. Options: distance traveled by the ball, height of the ramp, mass of the ball, weight of the ball

Back

mass of the ball

Front

What is the dependent variable in an experiment where a student drops a ball from different heights to see how high it bounces?

Back

Height that the ball bounces

Front

Dependent variable in an experiment to find out how the height from which a ball is dropped affects how high the ball bounces.

Back

Height that the ball bounces

Front

In an experiment on plants with different liquids (water, apple juice, milk), what is the dependent variable?

Back

Plant growth

Front

What is the independent variable in the zinnia experiment where plants are placed in full sunlight, a shaded area, and an unlit closet?

Back

The amount of sunlight

Front

What step does every scientific experiment begin with?

Back

question/problem