QZ 1st Sem Ex Rev #1 24-25

Front

What is a hypothesis?

Back

An educated guess about the outcome of an experiment.

Front

Which of the following statements is true?

Back

Unbalanced forces cause a change in motion.

Front

What variable comes after the word IF?

Back

Independent variable.

Front

What explains the performer’s success at leaving the dinnerware on the table when pulling a tablecloth?

Back

The inertia of the dinnerware.

Front

What is the action when kicking a soccer ball?

Back

Use your foot to strike the ball.

Front

What is the definition of inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is an independent variable?

Back

The variable that is changed or controlled in a scientific experiment.

Front

What is a dependent variable?

Back

The variable that is measured or tested in an experiment.

Front

What is the role of a control in an experiment?

Back

To provide a standard for comparison.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not cause a change in motion; unbalanced forces do.