General

Question 1

Light travels in…

Answer 1

Straight lines.

Question 2

Light reflects off smooth, shiny, flat surfaces…

Answer 2

In a regular reflection pattern.

Question 3

Light reflects off rough, shiny, uneven surfaces…

Answer 3

In a diffuse reflection pattern.

Question 4

Light that is not reflected, is…

Answer 4

Absorbed.

Question 5

As light passes through water, it…

Answer 5

Bends.

Question 6

What are the 7 official colours of a rainbow?

Answer 6

Red, orange, yellow, green, blue, indigo and violet.

Question 7

A light source is…

Answer 7

The place or object that light comes from.

Question 8

What are the 2 types of light sources? Give examples.

Answer 8

Natural; A firefly.

Artificial; A lamp.

Question 9

Does white light have colour?

Answer 9

Yes.

Question 10

Does a light from a laser have to be reflected, before we can see it?

Answer 10

Yes.

Question 11

Is light invisible, when it travels?

Answer 11

Yes.

Question 12

Light can go through objects and can be still piped, but cannot…

Answer 12

Go around them.

Question 13

What are some transparent objects?

Answer 13

Glass, plastic wrap and air.

Question 14

What are some translucent objects?

Answer 14

Frosted glass, dirty water and waxed paper.

Question 15

What are some opaque objects?

Answer 15

Aluminum foil, wood and cardboard.

Question 16

What is a prism?

Answer 16

A transparent piece of glass that usually has 3 sides.

Question 17

When does a shadow occur?

Answer 17

When an object blocks a light source, from reaching a certain area.

Question 18

What is light?

Answer 18

Light is the form of radiant energy that stimulates the organs of sight, having normal human vision wavelength ranging from about 3900 to 7700 angstroms and traveling at a speed of about 300,000 km per second. One angstrom = 0.00000001 cm.

(Basically, light is a type of energy we can see.)