Energy Transformation Quiz

Which action involves transforming electrical energy into thermal energy?

• using a toaster

• having a campfire

• beating on a drum

• turning on a fan

The Law of Conservation of Energy states that

• energy can be created by batteries

• energy can only be transformed from one form to another

• energy can be destroyed in a light bulb

• heat is not energy

Which energy transformation occurs when a solar panel is used to create electricity?

• thermal energy is converted to electrical energy

• electrical energy is converted to light energy

• chemical energy is converted to electrical energy

• light energy is converted to electrical energy

A battery uses which type of energy to create electrical energy?

• thermal

• chemical

• mechanical

• solar

Which method of producing energy does NOT involve using a generator?

• geothermal

• nuclear

• solar

• fossil fuels

Which of the following is a fossil fuel?

• coal

• carbon dioxide

• uranium

• steam

Which of the following is an example of biomass?

• coal

• uranium

• wood

• sunlight

Which of the following statements describes a renewable energy source?

• it always increases greenhouse gases

• it is always formed from the remains of living things

• it will eventually be used up

• it is replaced quickly by natural processes

If a light bulb uses 60 J of electrical energy to produce 30 J of light energy, what is the percent efficiency of the light bulb?

• 20 %

• 30 %

• 50 %

• 60 %

Which of the following has a static charge?

• an object that has lost or gained protons

• an object that has lost or gained electrons

• an object with equal number of protons and electrons

• an object with no protons or electrons