Light

1. Select the type of material that the definition and the picture represent.

• Transparent

• Translucent

• Opaque

Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass.

• The surface of the water reflects the light rays.

Tags

NGSS.MS-PS4-2

What makes it possible to see an object when looking through a periscope?

• It contains mirrors that reflect the object.

• It magnifies small objects so they can be seen.

• It absorbs the light rays passing through it.

• It separates the light into different colors.

How does the light travels?

• in parallel

• in a straight line

• on its own orbit

• on its own path

How to increase the size of the shadow on the screen?

• Move the light source farther from the object

• Move the object closer to the screen

• Change the type of object used

• Move the object closer to the light source

There is no shadow formed on the screen. Why?

• The object is opaque

• The light source is too dim

• The object is transparent

• The object is translucent

This investigation is carried out to show that

• light travels in a straight line

• light can be seen through the holes

• light penetrates a transparent object

• light travels in many ways

_______ is when light hits and object and it BOUNCES off.

• Reflection
• Refraction

Tags

NGSS.MS-PS4-2

Things make shadows because they ______ light.

• BLOCK
• PASS

Tags

NGSS.4-PS4-2

What happens to light after it hits a mirror?

• It goes through the mirror and bend.
• It goes straight through the mirror.
• It goes around the mirror.
• It bounces off the mirror.

Tags

NGSS.MS-PS4-2