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Flashcards in Midterm 8th Deck (36)
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1

What is breaking on irregular surfaces

Fracture

2

What is a landslide

Rapid downhill movement of rock

3

What is breaking down of rock

Weathering

4

What is organic material that is replaced with rock

Petrifaction

5

What is a substances ability to be broken by a hammer

Malleability

6

P waves

Fastest seismic waves

7

What is An ancient land mass of crystalline rock

Shield

8

What is rock with visible lines on planes

Foliated structure

9

What is putty upper mantle

Asthenosphere

10

What is mantle

Bottom of crust to outer core

11

What is sedimentary rock and something about wind or ice

Clastic rock

12

Naturally occurring substance?

Mineral

13

What is an ore

Naturally occurring rock from metal that is recovered

14

What is sand or rock into sandstone question

Lithification

15

How is igneous rock formed

When magma cools and hardens under the earth surface

16

T or f Dry land is more effected than wetland

T

17

T or f most minerals are carbonents

False it's silicate

18

True or false to ore metal question

True

19

False or true All organisms become fossils question

False bird will become mOre of a fossil than a worm bc of bones

20

What sit he difference between a. Rock and mineral

Mineral can in,y have one atom and crystalline structure but rock is hard and has multiple atoms

21

Soil is made of _____ ______, organic matter ,_____, gases

Rock particles
Water

22

How is pore space important

Determines how mucha or and water can get into soil

23

Where is there erosion in ur community
How can u prevent it

Rivers
Form natural places for water to drain

24

How do geologists determine age of the earth

Law of superposition

25

How fad into the earth have scientist dug

15 kilometer

26

What is slow mass wasting process

Soil creep

27

Name 3 soil types smallest to largest pore space

Clay, silt, then sand

28

What causes differences in soil composition

Climate

29

What are the two most abundant elements in the earths crust

Silicon and oxygen

30

What are less common properties of minerals that geologists use to help in mineral identification (3)

Flexibility smell and taste