Rocks and Minerals

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1.
1 point
Crystals are.........
2.
1 point
limestone and marble are both great for making into
3.
1 point
Quartz can scratch your fingernail.
4.
1 point
Rocks are made up of different minerals.
5.
1 point
The three rock types are........
6.
1 point
Erosion can be caused by.......
7.
1 point
The very center of the earth is called the ..........
8.
1 point
Metamorphic rocks are formed by sediment.
9.
1 point
An animals or plant that has left a print or outline in rock is called a ...........
10.
1 point
This rock can be used to make chalk.
11.
1 point
The inner core of the earth is made of solid iron.
12.
1 point
This rock is sharp like glass and used to be used for knives, arrowheads and spears.
13.
1 point
Moh's scale measures the _________ of a rock.
14.
1 point
Limestone is a very hard rock.
15.
1 point
quartz, hematite, fluorite and mica are all......
16.
1 point
The hot magma that erupts from a volcano come from a layer of the earth called the mantle.
17.
1 point
Sometimes people call obsidian........
18.
1 point
Fossils can be found in sedimentary rocks.
19.
1 point
Luster means how hard something is.
20.
1 point
Crystals can be formed by sugar.
21.
1 point
Sedimentary rocks come from volcanoes.
22.
1 point
You can eat some minerals.
23.
1 point
Obsidian is used to make scalpels for surgeons to use during surgery.
24.
1 point
Some types of sediment might be.......
25.
1 point
A geologist.....
26.
1 point
you can identify a rock or mineral by looking closely at its......
27.
1 point
The layer of the earth that we walk and live on is called the ......
28.
1 point
Just under the earth's crust you would find the hot _________ layer.
29.
1 point
This rock is rough and can float on water.
30.
1 point
The process that breaks rock down is called....