Light

What does a mirror do to light that causes objects to appear backward?

• refracts

• reflects

• absorbs

• blocks

Julio is trying to look through three different types of materials.

From left to right, what types of materials are these?

• opaque, translucent, transparent

• transparent, translucent, opaque

• translucent, opaque, transparent

• opaque, transparent, translucent

Liz looks through the curtains covering a window. She can tell that it is daylight, but she cannot see the trees near the window. Based on this information, which term would BEST describe the curtains?

• opaque

• refractive

• transparent

• translucent

When a straw is placed in a glass of water, it appears to bend.

Which statement BEST describes why the straw appears to bend?

• Light is being refelcted.

• Light is being refracted.

• Light is being absorbed.

• Light is being compressed.

Which statement BEST expresses the idea shown in the illustration below?

• Light always bounces off opaque objects.

• A mirror produces a clear reflected image.

• A rough surface reflects light in different directions.

• Light waves strike a mirror and are reflected at the same angle.

Two students are investigating the nature of light using flashlights and mirrors. Student A points a flashlight at the mirror.

What will happen to the beam of light AFTER it hits the mirror?

• It will be enlarged by the mirror.

• It will be reflected by the mirror.

• It will be refracted by the mirror.

• It will be absorbed by the mirror.

Students planned and carried out investigations to show the refraction of light.

• *Anna used a mirror to direct light to three targets around the classroom.

• *Julian used a flashlight and prism to make a rainbow.

• *Omar shined light through objects to sort them as transparent, translucent, or opaque.

• *Amyia put a pencil in a cup of water showing that the pencil looks broken.

• Which two students planned and carried out investigations that showed refraction of light?

• Anna and Omar

• Julian and Anna

• Julian and Amiya

• Omar and Amiya