Light Energy

Question 1

Light

Answer 1

A form of visible energy made up of waves that travel in a straight line. Light
energy can move through empty, airless space.

Question 2

Lens

Answer 2

A clear, curved piece of glass or plastic that bends light as it passes through. This can focus
or spread the light rays.

Question 3

Medium

Answer 3

A material that transmits or gives off light

Question 4

Prism

Answer 4

A glass bar that separates white light into the colors of the rainbow

Question 5

Shadow

Answer 5

A dark area caused by an object that blocks light

Question 6

Reflection

Answer 6

Occurs when light or energy bounces as it passes through different types of matter

Question 7

Refraction

Answer 7

Occurs when light or energy bends as it passes through different types of matter

Question 8

Transmission

Answer 8

Occurs when light or energy passes through matter

Question 9

Absorb

Answer 9

Absorption happens when light is transformed into another form of energy
(heat) upon hitting a surface.

Question 10

Transparent

Answer 10

Describes a material that allows all light rays to pass through

Question 11

Translucent

Answer 11

Describes a material that allows some light to pass through

Question 12

Opaque

Answer 12

Describes a material that does not allow light to pass through. You cannot see through opaque matter

Question 13

Scattering

Answer 13

Occurs when light or energy separates as it passes through different types of matter.