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Grades 6, 7 and 8 - Science - Middle School - Earth Science - Rock Formations
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Avg score: 50% • Most missed: “In a volcanic eruption, as the lava flows it pulls within it other smaller rocks…”

What’s an aggregate? Well, an aggregate is a collection of materials that are combined together to make one whole object. So rocks, all rocks, are made up of several other materials. There are just three major rock formations: igneous, sedimentary and metamorphic.

Grades 6, 7 and 8 - Science - Middle School - Earth Science - Rock Formations
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10 Questions

1. This is molten rock that is found above ground after a volcanic eruption.
2. This is molten rock that is found underground.
3. ________ means “change.”
4. In a volcanic eruption, as the lava flows it pulls within it other smaller rocks and when these harden, the end result is a series of ___________.
5. Igneous means _______?
6. About 64.7% of the Earth’s crust consists of ________.
7. About 64.7% of the Earth’s crust consists of ________.
8. In a volcanic eruption, as the lava flows it pulls within it other smaller rocks and when these harden, the end result is a series of ___________.
9. The study of rocks is known as _______.
10. These are rocks that are made up of tiny bits and pieces of broken down rocks, minerals and shells.

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