Chapter 2 Rocks: Mineral Mixtures Flashcards Preview

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Flashcards in Chapter 2 Rocks: Mineral Mixtures Deck (25):
0

Rock is a solid ________ of crystals of one or more minerals.

Mixture

1

How is the scalpel shown in Fig. 2 similar to stone tools used by early humans?

Then and now they both used obsidian to make sharp tools

2

What are some rocks that have been used as building materials?

1) Marble

2) Limestone

3) Slate

3

Fossils found in rocks provide clues about the history of ______ on earth.

Life

4

Scientists classify rock into one of the three main categories by....

how they are formed

5

What are the main types of rock?

1) Sedimentary
2) Igneous
3) Metamorphic

6

Grains of sand are _______ from mountains and wash down in rivers to the sea.

Eroded

7

Which kind of rock could be described as being formed by "pressure cooking?"

Metamorphic rock

8

What processes transform magma into igneous rock?

Cooling

9

Sedimentary rock forms from the cooling of ________

Magma

10

The sediments that form sedimentary rock can only come from ________

Igneous Rock

11

Heat and pressure will change _________ rock into __________

Igneous rock ----> metamorphic rock

12

Earth scientists classify different rocks according to their ___________ and their __________.

Composition and texture

13

What determines the composition of a rock?

The minerals a rock is made of

14

Small grained rocks have a ________ texture

Fine grained

15

Rocks made up of large grains have a ___________ texture.

Coarse grained

16

Sand on sed in the sea evaded to the bottom to settle

Deposition

17

Erosion of the overlying rock exposes

Sediments

18

The process of the slate being compacted

Burial

19

The binding together of particles or other things by cement

Cementing

20

Formed by the Deposition of material at the surface and within bodies of material

Sedimentary rock

21

Pressure

The quality of being hot or high temp

22

Alteration of the composition of structure of a rock by heat

Metamorphism

23

Make or become

Melting

24

To make solid

Solidification