Light and Sound

Smooth surfaces _______ a lot of light.

• reflect
• bend
• absorb
• twist

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Another name for light bending is ....

• Reflaction
• Absorbing
• Refraction
• mirror

If you are wearing a black sweatshirt, what happens to most of the light that strikes the sweatshirt 

• It is absorbed
• It is reflected
• It is transmitted

What does it mean to reflect?

• bounce off
• bend
• refract
• energy

These waves travel in a __________ line.

• jagged
• squiggly
• straight
• obstructive 

Which is transparent?

• a wooden fence

• clean water

• aluminum foil

• a purple balloon

Which is translucent?

• Wood

• Door

• Window

• Lampshade

Which is opaque?

• Tree

• Plastic bag

• Sunglasses

• Lamp Shade

Sound is caused by ....

• instruments

• vibrations

• force

• volume