Sound and Light Exam Question practice

Which is the best description of how sound waves travel?

• in a straight path to your ear

• back and forth from the source

• outward in all directions

• upward from the source

What is the part labelled A in the picture?

• compression

• rarefaction

• light

What is the part labelled B in the picture?

• compression

• rarefaction

• light

A form of energy that allows you to see objects is ...

• heat

• light

• solar energy

• vision

Light travels as tiny ___________ of energy

• clouds

• waves

• particles

• rays

What is Earth's primary source of light energy?

• 
• 
• 

_______ produce energy using light from the sum

• LED

• Solar cell

• Incandescent bulb

• windmill

In which of the following does light travel fastest?

• solid

• liquid

• gas

• empty space

Which of the following statements provides evidence that light transfers energy.

• Light is bright

• We can hear light

• We can feel the warmth of the sun on our face

• Light is not energy