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Physical and Chemical Changes WebQuest
By Neil Hess
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Last updated 3 months ago
16 questions
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Use the video at the link below to help you answer the following questions:
https://youtu.be/x49BtB5dOwg
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Question 13
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Question 14
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Use the website below to help you answer the following questions:
http://www.chem4kids.com/files/matter_chemphys.html
Question 15
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Question 16
16.
Physical changes included all of these except
Color
Shape
Form
Size
When a cloth is cut into a new size and shape, a new substance if formed.
True
False
Water evaporating to become steam is an example of a....
Neither of these
Physical change
Chemical change
Both of these
When sugar is dissolved into water, a new substance is formed
True
False
___________________ has many indications of a chemical change
Mixing
Dissolving
Baking
Seperating
Burning wood turns the wood into ash (a new substance) and so we identify it as a PHYSICAL change.
True
False
Which of these is NOT a chemical change
A rock cracking in half
Food being digested
Fireworks exploding
Wood burning
Which of these is NOT a clue that a chemical change is happening
Something becoming smaller
A gas is released
Light is produced
A change in color
A rock breaks apart after falling to the ground. Do you think this is a physical change or a chemical change?
Physical Change
Chemical Change
Liquid water evaporated and becomes steam. Do you think this is a physical change or a chemical change?
Physical Change
Chemical Change
You begin mixing together flour, water, milk, eggs and chocolate chips to make cookies. Is this a physical change or a chemical change?
Chemical Change
Physical Change
You put the cookie dough in the oven. It starts to puff up with steam and smell delicious. Is this a physical change or a chemical change?
Physical Change
Chemical Change
An unlit firework falls to the ground and breaks apart. Is this a physical change or a chemical change?
Physical Change
Chemical Change
The firework catches on fire and explodes. Is this a physical change or a chemical change?
Physical Change
Chemical Change
The changing states of matter (Freezing, melting, evaporation, etc.) are _________________ changes.
Physical
Chemical
For a chemical change you must start and end with ______________ molecules.
the same
different