Year 8 Energy - Mid Topic Test

Which of the following is an example of kinetic energy?

• A stretched rubber band

• A moving bicycle

• Chemical energy in a battery

• Gravitational potential energy

Which form of energy is stored in food?

• Electrical energy

• Chemical energy

• Sound energy

• Light energy

What is the main method of heat transfer through a metal fry-pan?

• Conduction

• Convection

• Radiation

• Reflection

Which of the following is NOT a form of energy?

• Light

• Sound

• Friction

• Heat

What is the unit of energy in the metric system?

• Newton

• Joule

• Watt

• Pascal

Which of the following is an example of energy being transformed from electrical to light energy?

• A wind-up toy

• A torch being switched on

• A ball rolling down a hill

• A person eating food

What is the main form of energy produced by a toaster?

• Sound energy

• Light energy

• Heat energy

• Kinetic energy

Which of the following is the best conductor of heat?

• Wood

• Plastic

• Copper

• Glass

What is the formula for energy efficiency?

Which form of energy is associated with moving electrons?

• Chemical energy

• Electrical energy

• Nuclear energy

• Elastic potential energy