5th Grade Science Test 4 Flashcards

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1
Q

fiery rock

A

igneous

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2
Q

obsidian, pumice, and granite

A

igneous rocks

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3
Q

rock layed down in layers

A

sedimentary rock

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4
Q

limestone, sandstone, shale

A

sedimentary rock

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5
Q

rocks thought to have changed from one type to another

A

metamorphic

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6
Q

marble, slate

A

metamorphic rocks

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7
Q

scientists who study the structure of the earth

A

geologists

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8
Q

the unmovable rock

A

bedrock

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9
Q

melted rock

A

magma

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10
Q

magma that has erupted through the earths surface

A

lava

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11
Q

new soil is formed by a process called what

A

wheathering

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12
Q

any material found in Gods creation

A

natural resource

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13
Q

decaying plant and animal material

A

humus

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14
Q

a substance that forms rocks

A

mineral

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15
Q

have a definite shape,sharp edges and flat sides

A

crystal

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16
Q

mud ball

A

geode

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17
Q

rare beautiful minerals which are very hard

A

gemstones

18
Q

scientists who study minerals

A

mineralogists

19
Q

stone icycles hanging from the ceiling of a cave

A

stalactites

20
Q

stone formations growing up from the floor

A

stalacmites

21
Q

another name for oil

A

petroleum

22
Q

a black or brown rocklike substance

A

coal

23
Q

the preserved remains of plants or animals

A

fossils

24
Q

scientists who study fossils

A

paleontologists

25
Q

what is soil

A

decayed plants and animals

26
Q

name two ways wheathering breaks or wears down rock

A

chemical and physical

27
Q

how does quartz get its color

A

by its impurities

28
Q

what is the name for plant and animal remains that have turned into stone

A

a mold

29
Q

famous geyser in Yellowstone national park

A

old faithful

30
Q

how is a cave formed

A

caves were made underground as acid dissolved some of the rock

31
Q

why are rocks found near river delta

A

because mineral wash up and form rocks

32
Q

how does a geyser work

A

a column rises until all the water is launched a couple feet into the air

33
Q

a rock that floats

A

pumise

34
Q

the hardest substance

A

crystal

35
Q

most of the rock under the surface

A

bedrock

36
Q

the metal which is liquid at room temperature

A

mercury

37
Q

the rarest gemstone

A

ruby

38
Q

was once limestone

A

marble

39
Q

a radioactive which is the primary source of nuclear power

A

uranium

40
Q

rock formed from shells of sea creatures

A

limestone

41
Q

volcanic glass

A

obsidian