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3
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Tool used to measure the density of a liquid
|
4
|
A measure of how much space something takes up
|
5
|
Bringing water from one place to another
|
8
|
Volcanic activity
|
10
|
A plant grows to expose itself to the most light
|
12
|
A tree that loses its leaves each fall
|
13
|
All substances in nature
|
14
|
Count these to see how old the tree is
|
|
|
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1
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Rocks and soil being washed away
|
2
|
The last name of the author of you book
|
3
|
A plant follows the sun across the sky
|
6
|
Man made products that don't break when you drop them
|
7
|
A chemical that can not be broken into other chemicals
|
9
|
Chemicals that are in all living things and we make plastic from them
|
11
|
The molecules that give plastic their useful properties
|
12
|
An Artist/Scientist of the 1500's
|
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