Grade 8 Physics Finals Revision Quiz

What is the unit of Work?

• Joule

• Newton

Which factor is multiplied by distance to calculate Work?

• Force

• Power

Which of the following is a simple machine?

• Lever

• Thermometer

What happens to liquid pressure as depth increases?

• Increases

• Decreases

Which object will float in water?

• One with lower density

• One with higher density

Atmospheric pressure ________ with altitude.

• Decreases

• Increases

Which is an incompressible substance?

• Liquid

• Gas

What is the formula for Work?

• Force × Distance

• Mass × Acceleration

Which gas property increases when volume is reduced?

• Pressure

• Temperature

Why does a balloon expand when heated?

• Gas particles move faster

• Gas particles stop moving