Energy, Light, and Sound Quiz

How does echolocation help dolphins navigate?

• By using sound waves to detect objects

• By using magnetic fields

• By seeing in the dark

• By emitting light pulses

Batteries with more stored energy produce more or less electricity?

• Less

• Depends on the device

• No change

• More

How does light travel?

• In straight lines

• Only in darkness

• In circles

• Randomly

Why can't we hear sound in space?

• Sound moves too fast

• Sound is absorbed by stars

• Space blocks sound frequencies

• There's no air to carry sound waves

How does sound energy travel?

• By light waves

• Through vibrations in matter

• Through magnetic fields

• By electric currents

What is a vacuum?

• A light-absorbing material

• A high-pressure area

• A type of sound wave

• A space with no matter

Example of potential energy converting to kinetic energy?

• A stationary car

• A ball rolling down a hill

• A book on a shelf

• A stretched rubber band

A material that is a good thermal conductor is ____________.

• Rubber

• Plastic

• Metal

• Wood

How are radiation and the sun related?

• The sun absorbs radiation

• Radiation cools the sun

• Radiation blocks sunlight

• The sun emits radiation as heat and light

In what direction do sound waves move?

• Only forward

• In a straight line

• Outward in all directions from the source

• Only upward