Understanding Energy

What does the law of conservation of energy state?

• Energy disappears after use.

• Energy is only found in electrical form.

• Energy can only be converted from one form to another.

• Energy can be created and destroyed.

Which of the following is an example of electrical energy?

• The energy in food

• The current lighting up a lamp

• The movement of a car

• The heat from the sun

What is kinetic energy?

• Energy from splitting atoms

• Energy from the sun

• Energy of movement

• Energy stored in food

Which form of energy is primarily derived from the sun's rays?

• Chemical energy

• Nuclear energy

• Thermal energy

• Electrical energy

What type of energy is released from the splitting of atoms?

• Mechanical energy

• Thermal energy

• Chemical energy

• Nuclear energy