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Skylar > Science Unit 7 Review > Flashcards

Science Unit 7 Review Flashcards

1
Q

Anything that takes up space and has mass

A

Matter

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2
Q

Two or more atoms joined together to make a different type of matter

A

Molecule

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3
Q

Smallest piece of matter

A

Atom

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4
Q

A type of matter that becomes evenly mixed with another type of matter

A

dissolves

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5
Q

A combination of two or more types of matter

A

Mixture

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6
Q

Type of mixture where all the different parts are evenly mixed

A

Solution

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7
Q

A change that causes matter to look different but doesn’t change the matter itself

A

Physical change

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8
Q

A change that creates a different type of matter with new properties

A

Chemical change

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9
Q

Process of a liquid turning into a solid

A

Freezing

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10
Q

Process of a gas turning into a liquid

A

Condensation

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11
Q

Process of a liquid turning into a gas

A

Evaporation

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12
Q

The process of a solid turning into a liquid

A

Melting

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13
Q

The measure of how much stuff is inside something

A

Mass

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14
Q

A measure of how much space an object takes up

A

Volume

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15
Q

If an object is more dense than the water it touches, the object will ______

A

sink

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16
Q

If the NORTH side of a magnet is facing the NORTH side of another magnet, the two magnets will be _____ by each other

A

repelled

17
Q

The earth has a magnetic field because the Earth’s core has ____ in it

A

iron

18
Q

A ______ is rigid, has a definite shape, and a definite volume

A

solid

19
Q

If heat energy is added to a glass of water, the water in the glass will ______

A

evaporate

20
Q

A _______ change happens when vinegar and baking soda are mixed and bubbles are made

A

chemical

21
Q

A ____ change happens when water in a lake freezes into ice

A

physical

22
Q

A ____ change happens when a block of cheese is cut into small pieces

A

physical

23
Q

A ______ change happens when an apple rots

A

chemical

24
Q

A ____ change happens when a bike rusts

A

chemical

25
Q

A ______ change happens when a saltwater solution is made

A

physical

Skylar (19 decks)

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