Matter Flashcards

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1
Q

3 states of matter

A

Solids
Liquids
Gases

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2
Q

Characteristics of solid

A

-it cannot move unless someone moves it.
-it keeps its shape -unless it is broken
-the volume of a solid is always the same
Eg: a lump of coal

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3
Q

Liquid matter

Characteristics

A

It can flow
A liquid has no shape but It takes the shape of the container it’s in
The volume of a liquid stays the same (pouring it from one container back to first container, the volume doesn’t change but shape will
Eg: water

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4
Q

Gas matter (characteristics)

A
  • a gas can flow and will spread As far as it can
  • a gas can change shape
  • a gas can also change volume (ie: it can expand or be compressed)
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5
Q

Changes of state

A

Water- ice = freezes
Ice-water= melting
Water- steam= boils/evaporates
Steam-water= condenses

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6
Q

Condensation:

A

The changing of a gas to a liquid

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7
Q

Sublimation:

A

Some solids- when heated change directly from a solid to a gas. Eg: soid carbon dioxide (dry ice)

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8
Q

Melting:

A

The changing of a solid to a liquid

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9
Q

Freezing:

A

The changing of a liquid to a solid

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10
Q

Melting point:

A

The temperature at which all of the solid is turned into a liquid

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11
Q

Boiling point:

A

The temperature at which all of the liquid is turning into a gas

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12
Q

Diffusion

A

Diffusion is the movement of particles in a liquid of gas, from an area of high concentration to an area of low concentration until the particles are evenly spread

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13
Q

Matter

A

Matter is anything which occupies space and has mass

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