Chemical Changes and Counting Atoms
Authored by Charles Martinez
Science
7th Grade
NGSS covered
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61 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A change where one or more new substances are created.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is NOT an example of a physical change?
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silverware tarnishing is an example of a _____ change
Physical
Chemical
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When you break a cracker into pieces it is a...
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is salt dissolving in water a physical or chemical change?
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is water melting a physical or chemical change?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is digesting your food a physical or chemical change?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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