Waves part 1

grass looks green because ......

• green light is being refracted faster while other light is being absorbed.

• green light is being absorbed while other light is being reflected.

• green light is being refracted while other light is being reflected.

• green light is being reflected while other light is being absorbed.

The pencil seems to be broken. Why is this occurring?

• The light is absorbed by the air.

• The light reflects off of the pencil.

• The light is refracted as it shines on the water.

• The light is scattered as it shines on the water.

How does the sun help create rainbows?

• The sunlight is absorbed by the droplet of water.

• The sunlight is reflected and bounces off the droplet of water.

• The sunlight is refracted and bounces off the droplet of water.

• The sunlight is refracted and changes direction as it leaves the water.

What happens to light waves as they travel through the vacuum of space and enter Earth's atmosphere?

• Light waves speed up as they enter Earth's atmosphere.

• Light waves slow down up as they enter Earth's atmosphere.

• Light waves stay the same speed as they enter Earth's atmosphere.

• Light waves slow down and then speed up as they enter Earth's atmosphere.

How do sound waves travel through different materials?

• Sound waves travel the slowest through air.

• Sounds waves travel the slowest through ice.

• Sound waves travel the fastest through water.

• Sound waves travel the same through all materials.

Sound travels in different speeds in matter. What represents the correct speed for sound from fastest to slowest?

• liquid, solid, gas

• solid, liquid, gas

• gas, solid, liquid

• solid, gas, liquid

How are you able to see the movie screen at the movies.

• the projector absorbs light from the room and sends it to the screen.

• the projector sends light to the screen, which refracts the light into images.

• the projector sends light to the screen, which reflects most of it to the observer's eye.

• the projectors scatter light, sending it in all directions and creating pictures for the observer.