Topic 1- Science

Topic 1- Science

by Josie .

​Matter

Matter is anything that has mass and takes up space​.

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​The three states of matter are solid, liquid, and gas.

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​https://youtu.be/ELchwUIlWa8

Substance​

A substance is a single kind of matter that always has a specific makeup, or composition.

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Physical Properties​

​Physical Properties are characteristics that can be observed without changing the matter into another type of matter.

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​Luster, color, density, hardness, melting and boiling points

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​https://youtu.be/nb1uv0LAD6Y

​Chemical Properties

a single kind of matter that always has a specific makeup, or composition

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​flammability, toxicity, acidity, reactivity (many types), and heat of combustion.

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​https://youtu.be/T20omy9_e2M

Atom

​the basic unit from which all matter is made

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​https://youtu.be/AVVDP_XJHkA

​a group of 2 or more atoms held together by chemical bonds

Compound