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Rocks

Rosette Gray

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Across
2.When the magma gets hard inside the crust, it turns into ______
7.When rocks break down into smaller and smaller pieces, they turn into ____
8.How many groups are rocks divided in?
9.They are minerals that are usually transparent and have been cut and polished
10.A metamorphosed limestone
12.All rocks are made of _____
13.What rock is made from fire and heat?
17.A _______ is composed of the same substance throughout
18.What type of rock are made from sand and mud at the bottom of lakes and oceans, _________
19.When there is just a big hunk of a mineral, it is a ______ _______
22.A _____ are minerals that have had the chance to grow in the shape that they were meant to be
24.Sedimentary rocks are formed in layers called _____
25.A felsic volcanic rock
26.A volcanic rock of mafic composition
27.Rock are constantly being formed, worn down and formed again, this is called the _____ _____
Down
1._______ refers to the process of water breaking down rock over time
3.How many groups are minerals sorted in?
4.How many kinds of igneous rocks are there?
5._______ is full of air pockets that were trapped when the lava cooled when it came out onto the surface it is also the only rock that can float
6.A rare ultramafic, ultrapotassic volcanic rock and a source of diamonds
10.If there is a definite shape with easy to see flat sides, it is called a ____ _____
11.When the rock is liquid and is inside the earth
14.Rocks pieces
15.There are ___ main groups of sedimentary rocks
16.Of the three main kinds of rocks, which one is the least common? _________
20.When the magma flows out of a volcano, the liquid is called _____
21.A sedimentary rock composed primarily of coccolith fossils
23.When large amounts of plants are deposited in sedimentary rocks, they turn into ______

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