Work

Which word is defined as " the ability of someone or something to do work"?

• Fuel

• Hydrodynamics

• Energy

• Potential energy

Which of these is an example of potential energy?

• A book on a shelf

• A ball flying through the air

• A light bulb turning on

• Water turning a water wheel

Energy is created in a wind turbine when the wind causes the generator to turn.

• True

• False

Scientists fully understand what energy is.

• True

• False

What could affect the gravitational potential energy of an object?

• The weight of the object.

• How high up the object is placed.

• Gravity

• All of the above

Energy cannot be created and it cannot be destroyed, it can only change forms. What is the name of the law behind this statement?

• Law of thermodynamic

• Law of conservation of energy

• Law of maintaining energy value

• Law of transferring energy

"Flipping a page on a book while eating a sandwich. "

Write out the energy transfer that happening in this example.

What sort of fuel was common during the Middle ages?

• Nuclear

• Water

• Wood

• Coal

Name three problems we have with using Fossil fuels as a source of energy.

What type of oil is found in oil reservoirs?

• Methane

• Crude oil

• Petrol

• Gasoline