Properties of Matter

The main reason for matter having mass and taking up space is:

• All matter is heavy

• Matter can be a gas

• Matter is made up of tiny particles that have mass and take up space

• The Earth is made of matter

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The reason water drops stay together on wax paper and don’t break apart easily is mainly because:

• Water molecules are small

• Water molecules are in motion

• Water molecules are attracted to each other

• Water molecules are wet

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When two drops of water touch and combine immediately to become one drop, it is mainly because:

• Water molecules are made of atoms

• Water molecules are attracted to each other

• Water molecules are magnetic

• Water is a liquid

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The reason food coloring spreads throughout room temperature water is mainly because:

• Water molecules are warm

• Water molecules are in motion

• Water is more dense than food coloring

• Food coloring molecules are small

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The reason food coloring spreads out faster in hot water than in cold water is mainly because:

• The water molecules in hot water move more quickly

• The molecules in hot water are larger

• The food coloring molecules are small

• Hot water is less dense

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When a thermometer is heated, the red liquid inside the thermometer moves up mainly because:

• The red liquid is thin

• The molecules of the liquid move faster and get a little further apart

• Hot liquid is lighter

• The glass of the thermometer gets hot

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When a thermometer is cooled, the red liquid inside the thermometer moves down mainly because:

• Cold liquids sink

• The glass of the thermometer gets cold

• The molecules of the liquid move slower and get a little closer together

• The red liquid is thick

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When you heat a sample of a solid, the particles that make up the solid:

• Get bigger

• Loose mass

• Move faster

• Slow down

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When you heat a sample of a solid, the sample gets a little bigger mainly because:

• The particles move faster and get a little further apart

• Heat helps the particles grow

• Heating the sample makes it lighter

• Heating helps the particles slide past each other

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When you heat a sample of gas, what happens to the particles that make up the gas?

• The particles move faster

• The particles break apart

• The particles get smaller

• The particles become more dense

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