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3
|
Tool used to measure the density of a liquid
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4
|
A measure of how much space something takes up
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5
|
Bringing water from one place to another
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8
|
Volcanic activity
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10
|
A plant grows to expose itself to the most light
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12
|
A tree that loses its leaves each fall
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13
|
All substances in nature
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|
14
|
Count these to see how old the tree is
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|
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|
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1
|
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
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6
|
Man made products that don't break when you drop them
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|
7
|
A chemical that can not be broken into other chemicals
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|
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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