Light

Front 1

When we see a colored object, what are we really seeing: light that has been absorbed, light that has not been absorbed or light that has been refracted?

Back 1

Light that has not been refracted

Front 2

Light is one small part of a range of energy known as:

Back 2

the electromagnetic spectrum

Front 3

The part of the spectrum that humans can see is called

Back 3

visible light

Front 4

Which procedure allows light to pass through your body?

Back 4

X-Rays

Front 5

Why is it good to wear light colored clothes on a hot day?

Back 5

Because dark objects absorb more light that light objects

Front 6

Materials that do not allow light to pass through

Back 6

Opaque

Front 7

Dark colors usually_____ light

Back 7

absorb

Front 8

The bouncing of light from a surface

Back 8

Reflection

Front 9

Name a few examples of opaque items:

Back 9

books, chairs, walls, floors

Front 10

Materials that only allow some light to pass through

Back 10

translucent

Front 11

Name examples of translucent materials

Back 11

Wax paper, bubble paper

Front 12

A material that allows light to pass through

Back 12

translucent

Front 13

The bending of light as it moves from one material to another

Back 13

refraction

Front 14

Lens that is thicker at the edges than in the middle

Back 14

concave lens

Front 15

Lens that spreads light waves apart

Back 15

concave lens

Front 16

This lens makes objects look smaller

Back 16

concave

Front 17

This lens is thicker at the center than on the edges

Back 17

convex lens

Front 18

This lens bends light waves inward making them come together

Back 18

convex

Front 19

This lens can be used as a magnifier

Back 19

convex lens

Front 20

This type of lens is used as the lens on a camera

Back 20

convex lens

Front 21

Which of the following surfaces would bounce back almost all the light waves that hit it: white wall, plastic wrap, mirror or stained glass window?

Back 21

Mirror

Front 22

Light is a form of energy that travels in:

Back 22

Waves

Front 23

How long does it take for sunlight to hit the Earth?

Back 23

8 minutes

Front 24

Why do bones appear white on X-Rays?

Back 24

Because bones absorb more light than muscles or skin making it appear lighter

Front 25

Do waves with a high frequency carry more enery than waves with lower frequencies?

Back 25

YES