Test 4 Chapter 4 Flashcards

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1
Q

The molten rock in the earth’s mantle called?

A

magma

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2
Q

Decaying plant & animal material in the soil

A

humus

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3
Q

A material that is a very durable, artificial rock?

A

concrete

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4
Q

Shmells (smells) like mood (mud) when wet

A

shale.

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5
Q

A rock that is often used to make chalkboards

A

slate

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6
Q

what material is used in pencils instead ‘o’ lead

A

graphite

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7
Q

A person who studies minerals

A

mineralogist

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8
Q

The hardest substance of all

A

diamond

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9
Q

A rocklike object that looks like a mudball on the outside but is filled with crystals on the inside

A

geode

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10
Q

Our most useful metal

A

iron

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11
Q

The rarest gemstone

A

ruby

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12
Q

The only metal that is a liquid at room temperature

A

mercury

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13
Q

the best conductor of electricity

A

silver

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14
Q

All minerals form a special kind of solid called a

A

Crystal

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15
Q

A radioactive metal used as a source for nuclear power

A

Uranium

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16
Q

A lightweight, nonmagnetic, rustproof metal is ______

A

Aluminum

17
Q

A scientist who studies the structure of the earth ball is

A

Geologist

18
Q

The two types of weathering is _____

A

Chemical and physical.

19
Q

Oil in its natural state is

A

Crude oil or petroleum.

20
Q

rare, beautiful minerals that are hard, but haven’t yet been polished are

A

GEMSTONES MUAHAHAHAHAHAHAHAHAHAHA!!!

21
Q

UNDERGROUND STREam that shoots boiling wATER

A

GEYser

22
Q

a person who explores cAVES

A

splunker

23
Q

igneous rocks

A

granite, pumice, obsidian

24
Q

metamorphic rock

A

slate marble

25
Q

sedimentary rock

A

limestone sandstone shale

26
Q

plant & animal remains that have been reserved

A

petrified fossils

27
Q

fossils that form when mud buries a plant or animal and quickly hardens

A

mold fossils

28
Q

Dewds (scientists) who study fossils

A

paleontologists

29
Q

most fossils were probably formed during:

A

Noah’s ark’s flood