Midterm 8th Flashcards Preview

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Flashcards in Midterm 8th Deck (36)
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1
Q

What is breaking on irregular surfaces

A

Fracture

2
Q

What is a landslide

A

Rapid downhill movement of rock

3
Q

What is breaking down of rock

A

Weathering

4
Q

What is organic material that is replaced with rock

A

Petrifaction

5
Q

What is a substances ability to be broken by a hammer

A

Malleability

6
Q

P waves

A

Fastest seismic waves

7
Q

What is An ancient land mass of crystalline rock

A

Shield

8
Q

What is rock with visible lines on planes

A

Foliated structure

9
Q

What is putty upper mantle

A

Asthenosphere

10
Q

What is mantle

A

Bottom of crust to outer core

11
Q

What is sedimentary rock and something about wind or ice

A

Clastic rock

12
Q

Naturally occurring substance?

A

Mineral

13
Q

What is an ore

A

Naturally occurring rock from metal that is recovered

14
Q

What is sand or rock into sandstone question

A

Lithification

15
Q

How is igneous rock formed

A

When magma cools and hardens under the earth surface

16
Q

T or f Dry land is more effected than wetland

A

T

17
Q

T or f most minerals are carbonents

A

False it’s silicate

18
Q

True or false to ore metal question

A

True

19
Q

False or true All organisms become fossils question

A

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

20
Q

What sit he difference between a. Rock and mineral

A

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

21
Q

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

A

Rock particles

Water

22
Q

How is pore space important

A

Determines how mucha or and water can get into soil

23
Q

Where is there erosion in ur community

How can u prevent it

A

Rivers

Form natural places for water to drain

24
Q

How do geologists determine age of the earth

A

Law of superposition

25
Q

How fad into the earth have scientist dug

A

15 kilometer

26
Q

What is slow mass wasting process

A

Soil creep

27
Q

Name 3 soil types smallest to largest pore space

A

Clay, silt, then sand

28
Q

What causes differences in soil composition

A

Climate

29
Q

What are the two most abundant elements in the earths crust

A

Silicon and oxygen

30
Q

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

A

Flexibility smell and taste

31
Q

Limestone / cave question =

A

Carbonation

32
Q

What are ways we can be better stewards of Gods earth

A

Responsible product use, panting vegetation, and reducing acid rain

33
Q

What’re three minerals u commonly come I to contact with? Where ?

A

Gold silver and bronze in Jewlerry

34
Q

How would a climate change affect North America

A

Increase = less ice wedging and melting ice causing higher sea levels

35
Q

Of you had to do am experiment to test both chemical and mechanical weathering what would it be

A
Chemical = pour acid rain on rocks and see how it reacts
Mechanical = put rock in extreme climates and see how if reacts
36
Q

What is breaking on parallel surfaces

A

Cleavage