QQ2 Review

What are the building blocks of matter?

• atoms

• cells

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What two questions do you ask to tell if something is matter?

• Does it have mass?

• Does it move?

• Does it breathe?

• Does it take up space?

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Click on the items that ARE matter (4 answers):

• rocks

• water

• shadows

• cell phones

• air

What is the title of this image?

• Periodic Table of Elements

• The Encyclopedia of Atoms

• The Periodic Table of Atoms

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The smallest possible part of an element that cannot be cut any smaller and still have the properties of that element is called:

• proton

• neutron

• atom

• electron

Click on all of the substances that are ELEMENTS:

• Carbon C

• Hydrogen H

• Sugar C6H12O6

• Gold Au

• Oxygen O

Click on all of the substances that are COMPOUNDS :

• Oxygen O

• Sugar C6H12O6

• Carbon monoxide CO

• Nitrous Oxide NO3

• Salt NaCl

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A MIXTURE is: (3 answers)

• Easily separated

• Not easily separated

• Not chemically combined

• Substances keep their properties

A COMPOUND is: (3 answers)

• Not chemically combined

• Chemically combined

• Not easily separated

• Creates a new substance with new properties

Click on the substances that are MIXTURES: (4 answers)

• saltwater

• steel

• salt

• trail mix

• soil