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Unit 1-3 crossword

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Across
3
What makes us stay on the ground and not float
4
Remains, imprints, or traces of prehistoric organisms
5
When a rock brakes smoothly
9
Where two plates collide
10
When crystals form in a mold an makes a replica of the original fossil
11
What you use two identify a rocks hardness
14
Wegener's hypothesis that made Pangaea
16
Is the solid bulk of earths interior
18
When a rock is made in a volcano
19
How to test a rocks powder or color
Down
1
When two plates pull apart
2
Where a fossil dies and leaves a cavity in the rock
4
When a rock break and has ragged edges
6
A landmass that made up of all the continents
7
A special group from igneous rocks
8
When a rock is made outside a volcano
12
Opening in the earth surface that erupt sulfurous gases, ash, and lava
13
The most thinnest and the most outer layer of earth
15
Vibrations produced when rocks break along a fault
17
When a rock shines and glow