U1L3: Energy and Motion

What happens to energy when Julie beats the drum?

• It transfers from one form to another

• It disappears

• It remains the same

• It increases

Which type of energy is associated with the motion of particles?

• Heat

• Sound

• Light

• Electricity

What is necessary for a circuit to send electricity?

• The circuit must be closed

• The circuit must be open

• The circuit must be broken

• The circuit must be incomplete

What happens to mechanical energy when a swing stops?

• It changes into heat and sound

• It disappears

• It remains as mechanical energy

• It increases

Which of the following is NOT a way energy transfers?

• Magnetism

• Sound

• Light

• Heat

What is the role of a switch in a circuit?

• It acts like a bridge for electricity to cross

• It stores energy

• It generates electricity

• It converts energy into light

Why does a rolling ball eventually stop?

• Friction changes its energy into heat and sound

• The energy disappears

• The energy remains as mechanical energy

• The energy increases