Q1 Test Review!

Which simple machine is used to lift a heavy object by changing the direction of the force applied?

• Inclined plane
• Pulley
• Lever
• Wheel and axle

What is the main advantage of using an inclined plane?

• Increases speed
• Reduces effort
• Changes direction of force
• Increases weight

In a lever, what is the point around which the lever rotates called?

• Axle
• Fulcrum
• Pulley
• Wheel

Which simple machine is used to split objects apart?

• Pulley
• Wedge
• Wheel and axle
• Lever

How does a wheel and axle make work easier?

• By increasing distance
• By increasing speed
• By reducing force needed
• By increasing weight

What form of energy is stored in an object due to its height?

• Kinetic energy
• Thermal energy
• Potential energy
• Chemical energy

What happens to an object’s kinetic energy as it speeds up?

• It decreases
• It remains constant
• It increases
• It disappears

What type of energy is stored in a stretched rubber band?

• Kinetic
• Potential
• Thermal
• Electrical

Which form of energy is involved when you turn on a flashlight?

• Kinetic
• Chemical
• Electrical
• Thermal

What type of energy is associated with the movement of atoms and molecules?

• Chemical
• Thermal
• Potential
• Electrical