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8B1 Science > Activate 1 - Chapter C1 - Particles > Flashcards

Activate 1 - Chapter C1 - Particles Flashcards

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1
Q

States of Matter

A

The States of Matter is a solid melting into a liquid, the liquid evaporates into a gas, the gas is condensing into a liquid, the liquid freezes into a solid and then all over again.

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2
Q

Solid Particles

A

Solid particles are strongly attached to each other. The particles are touching. The particles are in a regular arrangement. The particles can’t move position but they vibrate.

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3
Q

Liquid Particles

A

The particles are quite strongly attracted to each other. 2/3 of the particles are touching. The particles aren’t in a regular arrangement. The particles can slide past each other.

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4
Q

Gas Particles

A

The particles are far apart. The particles have a lot of kinetic energy and move rapidly. The attraction of the particles is very weak. The particles aren’t in a regular arrangement.

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5
Q

Melting

A

The change of state for solid to liquid.

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6
Q

Change of State

A

The process by which a substance changes from one state to another.

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7
Q

Freezing

A

The change of state from liquid to solid.

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8
Q

Melting Point

A

The temperature which a substance melts.

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9
Q

Evaporation

A

The change of state from liquid to gas that occurs when particles leave the surface of the liquid only. It can happen at any temperature.

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10
Q

Condensation

A

The change of state from gas to liquid.

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11
Q

Sublimation

A

The change of state from solid to gas.

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12
Q

Diffusion

A

The movement of liquid or gas particles from a place of high concentration to a place of low concentration.

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13
Q

Material

A

The different types of stuff that things are made from.

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14
Q

Particles

A

The tiny things that materials are made from.

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15
Q

Mixture

A

A material whose properties are not the same all the way through.

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16
Q

Substance

A

A material that is not a mixture. It has the same properties all the way through.

17
Q

Property

A

A quality of a substance or material that describes its appearance or how it behaves.

18
Q

Boiling Point

A

The temperature which a gas substance boils.

19
Q

Boiling

A

The change of state from liquid to gas that occurs when bubbles of the substance in its gas state from throughout the liquid.

20
Q

Collide

A

To bump into or hit, particle or surface.

21
Q

Gas Pressure

A

The force exerted by gas particles per unit area of a surface.

8B1 Science (14 decks)

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