(C7) Chem Unit Test REVIEW
Authored by Jennifer Derby
Science
7th Grade
NGSS covered
Used 45+ times
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33 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Click all of the things that acid rain can damage.
buildings
statues
plants
animals
Tags
NGSS.MS-LS1-5
NGSS.MS-LS2-4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why isn't this a chemical reaction?
CHOOSE ALL CORRECT ANSWERS
this is a mixture
bonds were NOT broken, atoms were NOT rearranged
different number of atoms on both sides of the arrow
molecules were rearranged
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How do we know if two unknown substances are the same or different?
CHOOSE ALL CORRECT ANSWERS.
Test the properties of both
Different properties = different substances
If the masses are different, they are different substances
Different properties before and after a reaction means that a chemical reaction has occurred
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melting, evaporating, cutting, freezing, and breaking are all examples of:
chemical changes
physical changes
open systems
closed systems
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Choose ALL measurements that would NOT be helpful in determining if substances are the same or different.
mass
length
shape
volume
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons?
8
15.9994
7.9994
7
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water has a pH of...
2
7
9
14
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