1
The process of a liquid changing into a solid
2
Process in which plants and other organisms consume inorganic nutrients and use them to produce their own "food"
3
Earth layer (gaseous) that surrounds our planet and protects it from some sun rays
4
Animal with a backbone
5
A device that produces a magnifield image
6
Name of our galaxy (all together)
7
the study of life
8
The study of our planet
9
The study of ecosystems
10
Measure the amount of space that an object takes up
11
Organ that filters your blood and removes toxines. It produces urine
12
Inverterate (arthropod) with 6 legs
13
Liquid which transports nutrients, oxygen and other subtances through arteries and veins
14
Periodic rising and falling of the sea level due to the gravitational pull of the Moon and Sun
15
Organs that make us pull oxygen from the air (plural)
16
The structural and functional unit of living things (living things are made up of "this")
17
Organ through which plants absorb mineral salts
18
Chemical compound whose formula is H2O
19
Earth's satellite
20
Combination of one or more minerals
21
The Solar System star is......