711-715 Science test Study Guide

Molecule

• a group of atoms bonded together,

• Two or more atoms

• Two or more atoms bonded

• The smallest buildin black of life

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NGSS.MS-PS1-1

Atom

• smallest unit into which matter can be divided without the release of electrically

• toms as a source of nuclear energy.

• an extremely small amount of a thing or quality.

• The smallest unit of building blocks.

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NGSS.MS-PS1-1

Marco Scale

Molecular scale

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Macro scale

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draw a solid

draw a liquid

draw a gas

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Chemical Reaction

• The process of cooking food

• A change where new substances are formed

• The study of chemicals

• Mixing two substances to form a solution

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Photosynthesis

• The process by which plants eat and grow.

• The process by which plants convert carbon dioxide into oxygen.

• The process by which plants convert sunlight into chemical energy.

• A method plants use to purify water.

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