Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Rocks | Made of minerals.
Usually identified by how they look.
3 main types:
-igneous
-sedimentary
-metamorphic
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| Igneous Rocks | Melted rocks, that cool and crystallize
Formed inside or above earth
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| Sedimentary Rocks | Made when loose rocks become stuck together
Happens by compaction and cementation
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| Metamorphic Rocks | Made when Igneous and Sedimentary rocks deep inside earth, are heated and under pressure for a long period of time.
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| Compaction | Sediments are pressed together for a long period of time
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| Cementation | Water dissolves crystals, making a glue. Some rocks will stick together forming a new rock.
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| Minerals | Elements and compounds that are made naturally
Made up of crystals
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| 6 ways to identify minerals | 1. Moh's hardness scale
2. Crystals
3. Luster
4. Colour
5. Streak
6. Cleavage/Fracture
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| Moh's Hardness Scale | To test how hard the rock or mineral is, from softest to hardest.
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| Crystal | Straight edges, flat sides, and regular angles.
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| Luster | "Shininess"
How light reflects from it
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| Streak | The color that is made when the mineral is scraped or crushed
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| Cleavage | The way a mineral breaks apart. It breaks with straight, flat edges.
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| Fracture | Another way a mineral breaks apart. It breaks with rough, jagged edges.
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| Erosion | Movement of rocks and minerals from one place to another.
Usually caused by gravity, wind, and movement of water and ice.
3 types:
Chemical
Biological
Mechanical
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| Chemical weathering | Rock is changed by chemical reactions
Rock is weakened by coming into contact with pollution (water, air or acids)
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| Mechanical weathering | Wearing away and physical breakdown of rocks
Due to gravity causing rocks to fall and break, and/or water rubbing particles of rock away
Caused by wind, water, gravity, and temperature change
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| Biological weathering | Rock is changed by plants or animals living in or on it.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Holytrinity7
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