Light and Optics 8.1-8.4

Why does this tree make a shadow?

• It blocks light.

• It vibrates.

• It gives off heat.

How does light travel?

• In waves

• in a straight path

• does not move

Light can pass easily through TRANSPARENT objects. Which object would be transparent.

• shoe

• fishbowl

• me

When an object blocks the light, it is called?

• glasses

• book

• opaque

Light bounces when it is 

• reflected
• absorbed
• refracted

Light bends when it is 

• refracted
• reflected
• absorbed

mirror

• absorbs
• reflects 
• refracts

smooth, shiny surfaces

• reflect
• refract
• absorb

Which images are opaque?

• A & C
• A,C,E, & F
• D, E, & F
• A & E

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