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15
×
_________ refers to how resistant a material is to being scratched
elasticity
hardness
colour
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15
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The _________ is formed by protons and neutrons
electrons
neutrons
nucleus
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15
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The _________ is the number of protons it has got in the nucleus.
ID number
phone number
atomic number
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15
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_________ have got a fixed shape and volume.
liquids
Solids
gas
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15
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________ spin around the nucleus and carry a negative charge.
Electrons
Nucleus
Neutrons
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seesaw
Swap points!
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rocket
Go to first place!
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gift
Win 10 points!
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banana
Go to last place!
Oops!
15
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We need light in order to observe the ________ of an object.
hardness
colour
density
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15
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________ carry no charge.
kingston
electrons
Neutrons
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boom
Lose 50 points!
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rocket
Go to first place!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
Oops!
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lifesaver
Give 25 points!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
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Example of physical changes are:
combustion, rusting, photosynthesis, digestion, fermantation
state, shape, size, position
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15
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________ is the amount of space that something takes up.
volume
mass
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15
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Example of chemical changes are:
combustion, rusting, photosynthesis, digestion, fermantation
state, shape, size, position
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15
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_______ havenÂīt got a fixed volume or fixed shape.
solids
liquids
gases
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15
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_________ change happens when the matter is the same substance both before and after change
physical
chemical
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15
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Matter is_______
nothing
everything
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