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Study
Matter Review (6th Grade)
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How many Hydrogen atoms are there in NH3 (Ammonia)?
2 hydrogen atoms
3 hydrogen atoms
6 hydrogen atoms
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liquid
gas
solid
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which are compounds?
air, salad
gold
salt, water, carbon dioxide
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compound
element
mixture
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In a gas, particles are
far apart and move freely
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Two or more substances physically combined:
compound
mixture
element
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Element: Au
Oxygen
Gold
Hydrogen
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Molecules move from an area of
go really fast
high concentration to an area of low concentration
stand still
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compound
element
mixture
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Two or more elements chemically bonded:
mixture
element
compound
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Compound: CO2
carbon dioxide
oxygen
salt
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Particles closely packed, vibrate in place
solid
liquid
gas
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Particles loosely packed, slide past each other
solid
liquid
gas
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Explain when thermal energy is removed.
particles move slower
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A pure substance made of one type of atom:
element
compound
atom
mixture
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How many Carbon atoms are in C6H12O6 (Glucose)?
3 carbon atoms
6 carbon atoms
2 carbon atoms
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liquid
gas
solid
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Element: O
oxygen
carbon
carbon dioxide
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What happens when thermal energy is removed?
particles stay still
particles move faster
particles move slower
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Which are mixtures?
water
salad, air
oxygen
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Water molecules are
in constant motion
standing still
solid
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What happens when we add thermal energy?
particles don't move
Particles move slower
Particles move faster
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What is the term for "materials expand when heated, contract when cooled"?
molecule
thermal expansion
atoms
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In a solid, particles are
closely packed
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Explain what happens when thermal energy is added.
particles move faster
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which are elements?
oxygen, gold
salt, salad
water, air
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Compound: NaCl
hydrogen
water
Salt
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Compound: H2O
carbon dioxide
water
salt
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Made of two or more atoms bonded together:
element
molecules
atoms
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Basic unit of matter
atom
compound
molecule
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Particles far apart
solid
gas
liquid
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What is the main factor affecting matter?
liquids
amount of thermal energy
gases
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How many Carbon atoms, hydrogen atoms, and oxygen atoms are there in C6H12O6 (Glucose)?
Carbon: 5 Hydrogen: 10 Oxygen: 2
Carbon: 3, Hydrogen: 6, Oxygen: 3
Carbon: 6, Hydrogen: 12, Oxygen: 6
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In a liquid particles are
loosely packed
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gas
liquid
solid
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How many hydrogens and oxygens are there in a H2O water molecule?
2 atoms of hydrogen, 1 atom of oxygen
1 hydrogen, 1 oxygen
1 atom of hydrogen, 2 atoms of oxygen
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