Unit 1 Matter Vocabulary

A substance or object that allows energy to flow through it easily.

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Conductor

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the process by which substances break down into small pieces and spread evenly throughout a liquid (water)​

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​Dissolve

Dissolving ​

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Energy that is absorbed or delivered by an electrical circuit. The flow of electrons between atoms creates a flow of energy

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​Electrical Energy

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A state of matter in which the substance expands to take both the shape and the volume of its container.

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Gas

a substance or object that does not allow energy to flow through it easily

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Insulator

take the shape of their container, filling the bottom of the container first; has a definite volume; has the ability to flow​

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​Liquid

an attracting or repelling force that causes a magnetic material to move​

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​Magnetism

the amount of matter in something. Not the weight.

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Mass

Anything that has mass and takes up space.

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​Matter

the temperature at which a substance changes from a liquid to a solid or a solid to a liquid by the removal or addition of heat; for water this temperature is 0 degrees Celsius.

​Melting/

freezing point

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The decimal measuring system based on the meter, liter, and gram as units of length, volume (capacity), and weight or mass​

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​Metric system

A combination of two or more substances that can be easily separated in some physical way.​

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Mixture

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properties of matter that can be observed, measured, or changed without changing the matter itself.

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Physical Properties

floating or sinking when compared to water.

(when one substance is less dense than another, the less dense will float on the denser)​

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​Relative Density

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definite shape and size.

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​Solid

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the ability of a substance to dissolve in another substance, such as sugar dissolving in water

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Solubility

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A type of mixture in which the particles of one or more substances are dissolved (uniformly dispersed throughout) in another substance.​

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Solution

The forms matter can take, such as solid, liquid and gas; sometimes called phases of matter

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States of Matter

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Energy related to the temperature of an object or a substance.

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​Thermal Energy

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