Light

Question 1

light/light energy

Answer 1

energy: 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 off of the surface of an object

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

absorption

Answer 9

to take in. 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.