Physical Science Fall Exam 2024

Front

What is the best type of graph to use to show the percentages of a whole?

Back

Circle Graph

Front

How much force is required to lift a rock a vertical distance of 8 m if 80 J of work were done?

Back

10 N

Front

What is the factor in an experiment that changes in response to the independent variable?

Back

Dependent variable

Front

What is an example of a measurement that includes both speed and direction?

Back

Velocity (e.g., 3 m/s north)

Front

What term describes the rate of change of velocity?

Back

Acceleration

Front

What is the term for a variable that is kept constant in an experiment?

Back

Control variable

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the formula for calculating work done?

Back

Work = Force x Distance

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What does a bar graph represent?

Back

A bar graph represents categorical data with rectangular bars.