Science Test- Gr.7 2015

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1.
1 point
Which layer of the earth are we standing on?
2.
1 point
Hydrosphere is the layer of air from Earth's surface up to 100km in the sky.
3.
1 point
The 4 geological processes that build up the Earth are volcanoes, Deposition, earthquakes, and Mountain building.
4.
1 point
Weathering is a part of geological processes that wear down the Earth.
5.
1 point
Specific gravity is measured by observing how fast the mineral falls.
6.
1 point
What is a desert, and what is an example?
7.
1 point
Talc is the hardest mineral on the Mohs Hardness Scale.
8.
1 point
Correndum is the 9th hardnest mineral on the Mohs hardness scale.
9.
1 point
A mineral is an element.
10.
1 point
What is the meaning of streak?
11.
1 point
BONUS- Do if you're smart xD

94% of the Earth is composed from these 4 elements....