Chem 2 Review
Authored by Analisa Smith
Science
7th Grade
NGSS covered
Used 29+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula for sugar is C₆H₁₂O₆. What does that mean?
It has 6 carbon, 6 hydrogen, and 6 oxygen atoms
It has 6 carbon, 12 hydrogen and 6 oxygen atoms
It has 6 calcium, 12 hydrogen, and 6 oxygen atoms
It has 6 carbon, 12 helium, and 6 oxygen atoms
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You can describe a lemon as being oval, yellow colored, and sour tasting. All of these are _________.
Chemical properties
Physical properties
Chemical changes
Physical change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following are evidence that a chemical change has occurred except _____.
formation of a precipitate when substances are mixed
change in temperature when substances are mixed
formation of a gas when substances are mixed
dissolving of a substance when substances are mixed
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement about a physical and chemical change is true?
if matter changes size or shape, it indicates a chemical change
if matter changes state of matter, it indicates a chemical change
if matter changes in color, it is always a physical change
a change in temperature often occurs during a chemical change
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify each change as physical or chemical. Mark A for physical and B for chemical.
A saw cuts a log and creates sawdust.
A
B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify each change as physical or chemical. Mark A for physical and B for chemical.
Baking bread.
A
B
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify each change as physical or chemical. Mark A for physical and B for chemical.
The Statue of Liberty changes from copper to green.
A
B
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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