Crosswords Puzzle

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  1. What can sometimes behave light matter?
  2. Light can bounce off of a wall like a…
  3. Light can go around…
  4. What is the shortest colour wave length?
  5. What is the longest colour wave length?
  6. Light is a source of..
  7. The red wavelength can change its —— the most
4
v
i
5
r
3
c
o
r
n
e
r
s
2
b
a
l
l
d
6
e
7
d
i
r
e
c
t
i
o
n
1
l
i
g
h
t
e
r
g
y
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