Vocabulary Questions on Waves and Energy

What is a wave?

• A movement of water caused by the wind.

• A disturbance that moves energy through a material.

• A ripple in a pond that stays in one place.

• A change in temperature that moves through the air.

What is the highest point of a wave called?

• Amplitude

• Crest

• Trough

• Wavelength

What is the lowest point of a wave called?

• Crest

• Amplitude

• Trough

• Wavelength

What does wavelength measure in a wave?

• The distance between two crests or two troughs.

• The height of the wave.

• The time it takes for a wave to form.

• The speed of the wave.

What does amplitude measure in a wave?

• The distance between two crests.

• The energy of the wave.

• The number of waves per second.

• The color of the wave.

What is energy?

• The ability to do work or cause change.

• A material that blocks electricity.

• A solid object that moves on its own.

• The movement of sound waves.

What is an example of heat energy?

• A radio playing music.

• A toaster warming bread.

• A car moving down the road.

• A flashlight turning on.

Which of the following is an example of electrical energy?

• The sun shining.

• A battery powering a flashlight.

• A candle burning.

• A ball rolling down a hill.

Light energy allows us to:

• Hear different sounds.

• See objects around us.

• Feel heat from the sun.

• Create new materials.

What is a conductor?

• A material that blocks heat and electricity.

• A material that allows heat or electricity to pass through.

• A material that absorbs water.

• A material that stops waves from moving.