Light and Sound

Which of the following objects was not invented by Thomas Edison?

•  the light bulb
•  the telephone
  
• the motion picture camera
• the first voice recording

What causes the colors of a rainbow to be seen when light passes through raindrops?

• reflection
• bouncing light
• absorption
• The light is refracted (bent) by the raindropsThe light is refracted (bent) by the raindrops.

What form of energy must travel through matter (solid, liquid or gas)?

• light
• electricity
• sound
• heat

What is the name of a document that shows the person who first invented something?

• patent
• contract
• copyright
• legal

Which form of energy travels in waves?

• light
• sound
• both light and sound
• none of the above

If a tree falls in a forest and no one is there to hear it, does it still make a sound? 

• yes
• no
• sometimes
• maybe

Which forms of energy are produced by a light bulb?

• light energy
• sound energy
• both sound and light energy
• both light and heat energy

Which form of energy travels faster than anything in the universe?

• sound
• light
• magnetic
• electrical