Light Theme Unit
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Name _____________________________
Date ___________________
  Light
1
2
34
5
67
8
9
1011
12

 

NEARSIGHTED
ULTRAVIOLETRAYS
VISIBLELIGHT
FARSIGHTED
REFLECTION
REFRACTION
CONCAVELENS
CONVEXLENS
LENS
LIGHT
PRISM
VACUUM

Down
1.  A piece of clear material that is thinner in the middle and thicker around the edges. (2 words)
2.  A piece of clear glass or plastic that bends light rays passing through it.
4.  People who can see things close to them, but distant objects are blurry and difficult to see.
5.  A part of the electromagnetic radiation that you can see with your eyes. (2 words)
7.  The change in direction that occurs when a light ray bounces off of a surface.
9.  A solid object that can bend or reflect light.
Across
3.  The bending of light rays as it passes from one material into another.
6.  An invisible form of light that causes sunburn. (2 words)
8.  A piece of clear material that is thicker in the middle than at the edges. (2 words)
10.  People who have trouble seeing things that are close to them.
11.  Empty space that contains no matter. Light can travel through this.
12.  A type of energy that travels as a wave, but does not require a medium through which to travel.

 

Answer Key
1C
O
N
C
A
2L
3R
EFRACTIO
4N
VE
E
5V
EN
6U
LTRAVIOLET
7R
AYS
RSEE
8C
ONVEXLENSINF
IBSL
9P
GLE
10F
ARSIGHTED
11V
ACUUM
ITLT
SEII
MDGO
HN
12L
IGHT