Basic Forms of Energy

Ellie plugs in a radio and turns it on. What change in energy takes place when she does this?

• Light energy changes into sound energy.

• Electrical energy changes into sound energy.

• Sound energy changes into electrical energy.

• Chemical energy changes into sound energy.

Eduardo cooks a pizza in a gas oven. Which form of energy cooks the pizza?

• chemical

• light

• electrical

• heat (Thermal)

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Vanya toasts a piece of bread in a toaster connected to a wall outlet. Which is the source of energy for the toaster?

• light energy

• heat energy

• electrical energy

• chemical energy

Identify the type of energy

• Sound energy

• Thermal energy

• Mechanical energy

• Electrical energy

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What type of energy allows you to see the images and texts on your cell phone screen?

• Sound

• Thermal

• Magnetism

• Light

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Wrecking balls use ____________________ to destroy buildings and walls. 

• magnetic energy
• chemical energy
• mechanical energy
• heat energy

What types of energy does the Sun transmit to the Earth?

• nuclear energy and magnetic energy
• sound energy and mechanical energy
• light energy and heat energy
• chemical energy and water energy

How does sound travel?

• Sound travels in charged particles.
• Sound travels in straight lines.
• Sound doesn't travel.
• Sound travels in waves.

Explain what happens to light rays when they pass through water.

• They keep going in the same straight line.
• They are blocked by the water.
• They travel in a wavy path.
• They bend. 

When an object heats up, what happens to the particles inside?

• They move faster.
• The move slower.
• They stay the same.
• They freeze.