DEFINITIONS Flashcards

1
Q

The particulate model of matter states?

A

That matter is made up of small discrete particles and that the discrete particles in matter are in constant and random motion.

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2
Q

What is Melting Point?

A

The melting point is the temperature at which a solid melts to form a liquid or liquid freezes to form a solid.

WATER MELTS AT ZERO DEGREES

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3
Q

What is Boiling?

A

Boiling or the boiling point is the temperature when a liquid turns into a gas.

WATER BOILS AT 100 DEGREES

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4
Q

What is Freezing?

A

The process through which a substance changes from a liquid to a solid.
All liquids except helium undergo freezing when the temperature becomes sufficiently cold.

WATER FREEZES AT 0 DEGREES

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5
Q

What is Condensation?

A

Condensation is when a gas turns into a liquid.

Condensation point is the temperature it takes for a gas to turn into a liquid.

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6
Q

What is Sublimation?

A

This is when a solid changes directly into a gas without turning into a liquid into a liquid first.

Example: Dry Ice, Iodine, Ammonium Chloride

The picture is dry ice.

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7
Q

Define Science.

A

Science is the systematic study of nature and its application to us and the environment.

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