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Team 2
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Teams
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heart
Other team wins 5 points!
Oops!
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magnet
Take 25 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
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25
25
×
Why does the powdered form of a solid metal react faster with an acid than a bar of solid metal?
More total surface area, therefore more space available for reactants to collide.
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15
×
Name 3 signs of chemical change.
change in odor, color, energy, temperature, and bubbles formation
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10
×
What kind of mixture is the air in Hanoi?
heterogeneous mixture
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15
×
The amount of matter in an object is called the _______.
mass
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banana
Go to last place!
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fairy
Take points!
5
10
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25
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
10
×
________ ________ is the temperature at which a solid turns to liquid.
Melting point
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15
×
________ ________ is a characteristic of matter that can be observed as it changes to a different type of matter.
Chemical property
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15
×
Balance this equation.
1,2,1,2
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15
×
Based on the law of _____________, during physical and chemical changes, mass is not changed.
conservation of mass
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10
×
New substances formed during a chemical reaction are called _________.
products
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5
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A matter's temperature will stay the same during a change of state. (True or False)
True
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15
×
The number of __________ in an atom determines the identity of the element.
protons
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15
×
______ is the change from a gas directly to a solid.
Deposition
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seesaw
Swap points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
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25
15
×
Which curve indicates the boiling point?
DE
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