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5th Grade Science > Test 4 > Flashcards

Test 4 Flashcards

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Biology 101 flashcards
0
Q

the decaying plant and animal material in the soil

A

humus

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1
Q

the molten rock in the earth’s mantle

A

magma

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2
Q

very durable artificial rock

A

concrete

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3
Q

the rock that smells like mud when wet

A

shale

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4
Q

the rock used to make chalkboards

A

slate

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5
Q

material used in pencils instead of lead

A

graphite

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6
Q

a person who studies minerals

A

mineralogist

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7
Q

the hardest substance of all

A

quartz

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8
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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9
Q

our most useful metal

A

iron

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10
Q

the rarest gemstone

A

ruby

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11
Q

the only metal that is liquid at room temperature

A

mercury

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12
Q

the best conductor of electricity

A

silver

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13
Q

all minerals form a special kind of solid called what?

A

crystal

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14
Q

a radioactive metal used as a source for nuclear power

A

uranium

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15
Q

lighweight, nonmagnetic, rustproof metal

A

aluminum

16
Q

a scientist who studies the structure of the earth

A

geologist

17
Q

two types of weathering

A

chemical

physical

18
Q

rare, beautiful minerals that are very hard but have not yet been polished

A

gemstones

19
Q

oil in its natural state

A

crude oil or petroleum

20
Q

an underground spring that shoots streams of boiling water and steam up into the air from time to time

A

geyser

21
Q

a person who explores caves

A

spelunker

22
Q

plant and animal remains that have turned to stone

A

petrified fossils

23
Q

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

A

mold fossils

24
Q

scientists who study fossiles

A

paleontologists

25
Q

when were most fossils probably formed?

A

during the Flood of Noah’s time

26
Q

igneous, sedimentary, or metamorphic: granite

A

igneous

27
Q

igneous, sedimentary, or metamorphic: pumice

A

igneous

28
Q

igneous, sedimentary, or metamorphic: obsidian

A

igneous

29
Q

igneous, sedimentary, or metamorphic: limestone

A

sedimentary

30
Q

igneous, sedimentary, or metamorphic: sandstone

A

sedimentary

31
Q

igneous, sedimentary, or metamorphic: shale

A

sedimentary

32
Q

igneous, sedimentary, or metamorphic: slate

A

metamorphic

33
Q

igneous, sedimentary, metamorphic: marble

A

metamorphic

5th Grade Science (11 decks)

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