1st Semester Exam Review #1 24 25

Front

What is an independent variable?

Back

An independent variable is a factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an example of a balanced force?

Back

An asteroid moving at a constant speed through space is an example of a balanced force.

Front

What is the action of kicking a soccer ball?

Back

The action of kicking a soccer ball involves using your foot to strike the ball.

Front

What is the relationship between the distance a person kicks a soccer ball and their performance on a math test?

Back

The distance kicked is the independent variable, while the performance on the math test is the dependent variable.

Front

What does the word 'then' indicate in a scientific hypothesis?

Back

The word 'then' indicates the dependent variable that is expected to change as a result of the independent variable.

Front

What is the purpose of a control variable in an experiment?

Back

A control variable is kept constant to ensure that the results of the experiment are due to the independent variable only.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.