Force and Motion STAAR Review

Front

What is force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What is motion?

Back

The change in position of an object over time.

Front

Why is it important to conduct multiple trials in an experiment?

Back

Repeated investigations make the results more reliable.

Front

What is mass?

Back

The amount of matter in an object, usually measured in grams or kilograms.

Front

What is friction?

Back

A force that opposes the motion of an object when it comes in contact with another surface.

Front

How does mass affect motion?

Back

Heavier objects require more force to move the same distance as lighter objects.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is a variable in an experiment?

Back

A factor that can change in an experiment, affecting the outcome.

Front

What is a control in an experiment?

Back

A standard for comparison that remains constant throughout the experiment.

Front

What is the purpose of a hypothesis?

Back

A testable prediction about the outcome of an experiment.