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7 science > alex 7 science unit 4 test > Flashcards

alex 7 science unit 4 test Flashcards

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Biology 101 flashcards
1
Q

matter

A

Is made of up atoms

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2
Q

atoms

A

Is made up of neutrons and protons

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3
Q

mineral

A 
A solid
Made up of crystals
Natural
Inorganic
Definite chemical composition
Solid
Occurring
Crystalline structure
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4
Q

Inorganic

A

No carbon

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5
Q

rocks

A

Made up of minerals

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6
Q

How are minerals formed

A

By cooling magma chambers in the earths crust

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7
Q

magma

A

Inside earths crust

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8
Q

lava

A

Outside earths crust

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9
Q

crystal

A

Regular geometric shape

Smooth surfaces

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10
Q

hardness

A

Measure of how easily a mineral can be scratched

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11
Q

diamond

A

Hardest known mineral

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12
Q

fracture

A

Tendency to break with rough or jagged edges

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13
Q

cleavage

A

Tendency to break along smooth edges

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14
Q

mica

A

Common mineral that breaks along moth surfaces

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15
Q

lustre

A

Reflect on of light from. A minerals surface

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16
Q

Mohs scale

A

Name given to the hardness scale

17
Q

quartz

A

Common mineral that breaks with jagged edges

18
Q

streak

A

Color left by powdered mineral on unglazed porcelain

19
Q

talc

A

One of the softest known minerals

20
Q

Properties of minerals

A 
Lustre
Color
Streak
Hardness
Crystal shape
Breakage
21
Q

element

A

Pure substance

22
Q

rock

A

Made up of 1 or more mineral

23
Q

Crystal systems

A 
Cubic
tetragonal
Hexagonal
orthorhombic
monoclinic
triclinic
24
Q

3 types of rocks

A

igneous
Sedimentary
metamorphic

25
Q

Igneous rock

A

Formed when hot magma or lava cools and solidifies

26
Q

intrusive

A

The rock when magma cools and hardens below the earths surface

27
Q

extrusive

A

The rock when lava cools and hardens above the earths surface

28
Q

Sedimentary rock

A

The rock on the land that we see

29
Q

sediment

A

Rocks, grass, dirt,etc.

30
Q

stratification

A

The visible layers in sedimentary rocks

31
Q

compaction

A

Squeeze the rocks together using water

32
Q

cementation

A

Squeeze the rocks together without water

33
Q

metamorphic rock

A

Rock that has changed form

34
Q

parent rock

A

The original rock

35
Q

The rock cycle

A

picture here

7 science (6 decks)

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