Light Unit 1 Lessons 2-4 Quiz

A small, but exact copy is a

• one-way mirror

• scale model

• independent variable

• room

A variable that is being measured and depends on how the independent variable is changed is

• a dependent variable

• an experimental question

• an independent variable

• transmit

A material that allows all of the light to transmit is

• one-way mirror

• regular mirror

• glass

• wall

Adding a smooth layer of metal to glass is called

• transmitting

• transparent

• scale model

• silvering

When a material does not allow any light to pass through, it is

• opaque

• translucent

• transparent

• silvering

A variable that is changed in an experiment is

• silvering

• experimental question

• an independent variable

• dependent variable

When light shines on a regular mirror, what happens with the light?

• Some of the light transmits and some of the light reflects.

• All of the light reflects.

• All of the light transmits.

• The light disappears

When light shines on a one-way mirror, what happens with the light?

• Some of the light transmits and some of the light reflects.

• All of the light reflects.

• All of the light transmits.

• The light disappears

Which material can act like a one-way mirror?

• regular mirror

• film

• glass

• foil

Which material allows the least light to transmit?

• regular mirror

• one-way mirror

• glass

• plastic film