1 T or F - Metamorphic rocks are formed deep in the crust

1

T or F - Metamorphic

rocks are formed deep in the

crust.

2

True

3

Type of rock formed by

particles being pressed and cemented together.

4

sedimentary

5

Geologist classify a rock according

to its ...

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origin

7

Rocks without crystal grains

cooled very .....

8

quickly

9

Name the sedimentary rock made from sand.

10

sandstone

11

Particles of minerals and

other rocks that make up a rock. They may be fine or coarse.

12

grains

13

The Earth's crust is made of ...

14

rock

15

T or F - Most rocks cannot be

identified by color alone.

16

True

17

Formed when other rocks are

changed by heat and pressure.

18

metamorphic rock

19

Forms outside the Earth’s crust.

20

Extrusive rock

21

Type of rock that forms from the cooling of lava and magma.

22

igneous rock

23

Geologists classify rocks

into how many groups?

24

3

25

If a rock is coarse-grained, what size are its

grains?

26

large

27

About 20 minerals make up most rocks. What are these minerals known

as?

28

Rock-forming minerals

29

Which do geologists NOT observe when

studying a rock sample?

30

streak

31

Type of rock that forms inside the

Earth’s crust.

32

intrusive

33

What organic matter might a

sedimentary rock contain?

34

Plant and animal parts.

35

What is it called when sediments are pressed and

squeezed together?

36

compaction

37

What is it called when sediments are cemented or glued together?

38

cementation

39

Wind is one way sediments are

moved. Name 2 more ways.

40

running waterice

41

Shale has very fine grains. It is

formed from _____.

42

clay

43

Used for building because it is easy to cut.

44

sandstonelimestone

45

Mechanical weathering is one way rocks

are broken. Name another.

46

chemical weathering

47

What is the 3rd type of

sedimentary rocks?

1.Organic2. Clastic3.________

48

chemical