Chapter 4 Quiz - Yr8

What is the correct definition of energy?

• The ability to heat or light things
• The ability to do work
• The ability to create movement
• The flow of electricity through a circuit

Which of the following is true about energy?

• Energy cannot be created or destroyed
• Energy is destroyed once it has been used
• Energy is created constantly
• Energy is precious because it is difficult to find

Which device transforms electrical energy into light energy?

• Speaker
• Light bulb
• Solar panel
• Battery

Which form of energy is stored in a compressed spring?

• Kinetic energy
• Gravitational energy
• Elastic energy
• Nuclear energy

Musical instruments use energy to produce...

• Light
• Sound
• Heat
• Motion

Petrol contains which type of energy?

• Sound
• Elastic
• Nuclear
• Thermal

What is the main form of energy in a stretched rubber band?

• Kinetic
• Thermal
• Gravitational
• Elastic

What is gravitational potential energy associated with?

• Light
• Heat
• Height
• Pressure

Identify the energy transformation in a battery-powered torch.

• Light to electrical
• Chemical to electrical to light
• Electrical to chemical
• Nuclear to heat to light

Which of the following is a renewable energy source?

• Coal
• Oil
• Solar
• Gas