Fun with Science
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
2.
r
f
l
i
n
The phenomenon of a propagating wave being thrown back from a surface
3.
s
r
Relating to or derived from the sun or utilizing the energies of the sun
4.
s
c
The vast area beyond Earth's atmosphere
5.
s
s
e
Instrumentality that combines interrelated interacting artifacts designed to work as a coherent
6.
p
t
s
Any of the nine large celestial bodies in the solar system that revolve around the sun and shine (plural)
7.
s
t
Twinkling lights in the night sky
8.
e
a
The planet we live on
9.
m
o
Natural satellite that orbits the Earth
10.
a
i
A straight line through a body or figure that satisfies certain conditions
11.
s
a
e
i
t
Man-made equipment that orbits around the earth or the moon (plural)
12.
o
e
n
Gas in the air that we need to breathe
13.
p
o
t
o
s
e
s
How plants make food from sunlight
14.
c
e
Tiniest unit of living things (plural)
16.
o
a
i
s
A living thing that has the ability to act or function independently (plural)
17.
o
g
s
A government agency or instrument devoted to the performance of some specific function (plural)
18.
c
h
o
h
l
Any of a group of green pigments found in photosynthetic organisms
19.
n
u
s
Center of an atom or a cell
20.
c
y
o
p
The protoplasm of a cell excluding the nucleus
21.
m
b
r
n
A pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
22.
c
h
r
p
a
s
Plastid containing ___ and other pigments (plural)
23.
d
i
v
o
One of the portions into which something is regarded as divided and which together constitute