Science Vocab Test - Feb. 17th

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A type of change in which a new substance is formed. For example: burning something.

• Catalyst

• Molecule

• Chemical Change

• Physical Change

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The main forms matter can exist in: Solid, Liquid and Gas (also plasma but that is less common on earth).

• Catalyst

• States of Matter

• Chemical Change

• Physical Change

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an arrangement of elements in which the elements are separated into groups based on a set of repeating properties

• Periodic Table

• States of Matter

• Chemical Change

• Physical Change

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two or more atoms held together by bonds

• Periodic Table

• States of Matter

• Chemical Change

• Molecule

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A gas less dense than air that has no color or smell - extremely flammable meaning it can burn.

• Periodic Table

• States of Matter

• Hydrogen

• Molecule

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A chemical that provides a lot of oxygen to help things burn.

• Oxidation

• States of Matter

• Hydrogen

• Molecule

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A substance that speeds up a chemical reaction.

• Oxidation

• Catalyst

• Hydrogen

• Molecule

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the basic unit of a chemical element.

• Oxidation

• States of Matter

• Atom

• Molecule

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A gas without any color or smell that is commonly found in soda - found in the process of photosynthesis.

• Oxidation

• States of Matter

• Carbon Dioxide

• Molecule

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A type of change in which a new substance is NOT formed. For example: water boiling.

• Physical Change

• States of Matter

• Carbon Dioxide

• Molecule