Conservation of Mass Review
Authored by CASSANDRA SIMON
Science
8th Grade
NGSS covered
Used 1+ times
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51 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B have?
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
If reaction starts with 20g of reactants it should produce
4.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a log is burned, what happens to the wood?
The mass stays the same, but becomes smoke and ash.
It disappears.
The mass changes as it goes away.
Nothing. You're imagining things.
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does this picture demonstrate the Law of Conservation of Mass?
the number of atoms of each element are the same on both sides
they start out separate and end up combined
the same elements are used
it doesn't demonstrate the Law of Conservation of Mass
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Measure of the amount of matter
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