Law of Conservation of Mass
Authored by Stacy Reed
Science
8th - 10th Grade
NGSS covered
Used 20+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many Nitrogen atoms are in this chemical formula?
1
4
2
8
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Law of Conservation of Mass says that matter -
can be destroyed a little bit.
Invisible.
cannot be created or destroyed.
None of the above.
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The small number to the lower side of an element is a
Subscript
Superscript
Coefficient
Charge
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The large number in front of a compound or element is a
Subscript
Coefficient
Superscript
Charge
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chemical reaction is balanced when
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The coefficient in 3H2O is
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
If reaction starts with 20g of reactants it should produce
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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