Physical Science PSSA Reveiw

Front

What is the tested variable in the investigation of a sphere’s mass effect on the height it reaches when released from a spring launcher?

Back

The ball’s mass

Front

The diagrams show two trials of an investigation in which the distance a ball rolls when released on cardboard ramps is measured. This investigation can be used to determine—

Back

how a ramp’s angle affects the distance a ball rolls.

Front

Is burning wood a chemical or physical change?

Back

chemical

Front

Which of these correctly describes the potential energy and the kinetic energy of the bicycle rider?

Back

When the rider is at the top of the hill, her potential energy is the greatest, and her kinetic energy is the least.

Front

Energy produced by moving parts or machinery

Back

mechanical

Front

What type of energy is this?

Back

Chemical

Front

Magnets produce an invisible area of magnetic force that is called a magnetic ________.

Back

field

Front

The property that describes the object’s attraction to a magnet.

Back

magnetism

Front

What is the product of a chemical reaction between an acid and a base?

Back

Both salt and water

Front

Example of energy transfer from potential to kinetic energy:

• A car parked at the top of a hill
• A roller coaster moving down a hill
• A book sitting on a table
• A battery in a flashlight

Back

A roller coaster moving down a hill