AAD Law of Conservation of Mass
Authored by PATRICK DAVIS
Science
7th Grade
NGSS covered
Used 11+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many nitrogen atoms does NH3 have?
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many oxygen atoms are in this chemical formula?
6 oxygen atoms
2 oxygen atoms
3 oxygen atoms
4 oxygen atoms
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the law of conservation of mass?
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Law of Conservation of Mass state?
Mass is created at the end of a chemical reaction
Mass can not be created or destoryed
Mass is created in a physical change
New chemicals are formed when a chemical reaction takes place.
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the picture, what is the coefficient of this chemical compound?
3
4
There isn't one
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the picture, what is the subscript of this chemical compound?
4
3
There isn't one
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the models of a chemical reaction best represents the Law of Conservation of Mass?
A
B
C
D
Tags
NGSS.MS-PS1-5
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