Marcus place a substance in a beaker. He saw that the substance changed shape and took the shape of a beaker. What was the substance?
Liquid
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15
What state of matter is represented by this diagram?
Liquid
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lifesaver
Give 20 points!
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gift
Win 10 points!
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fairy
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5
10
15
20
25
thief
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5
10
15
20
25
15
What is the chemical symbols for Potassium?
K
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15
Name the state of matter that fits this description. Particles are closely packed but not in a regular pattern. __________
liquid
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trap
No points!
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magnet
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rocket
Go to first place!
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baam
Lose 15 points!
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15
Which state of matter has the strongest forces between its particles? __________
solid
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15
Which of these terms matches the two facts? This falls from clouds Rain, snow and hail are forms of this. ______________
precipitation
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20
What is the difference between a mixture and a compound?
Mixture is not chemically bonded and easily to separate, but the compound is chemically bonded and hard to separate
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15
Which of these statements about the Periodic table is correct? the columns are called periods / the columns are called groups
the columns are called groups
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15
The temperature at which a solid melts is called the __________________
melting point
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baam
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rocket
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gift
Win 25 points!
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baam
Lose 25 points!
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15
If you heat water until its temperature reaches 100 degree C, it will boil. Now, all of the water rapidly change to ____________. 100 degree C is the boiling point of water.
water vapour
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15
Name the element with the given symbol. Cl : __________ and Si : _____________
Chlorine and Silicon
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15
Name the element with the given symbol. C : __________ , Na : _____________ and K : _____________
Carbon , Sodium and Potassium
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15
If you leave ice in a _________ place it melts and becomes liquid water.