Conservation of Mass
Authored by Robert Bhagan
Science
7th Grade
NGSS covered
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Matter cannot be created or destroyed is best described as what law?
Conservation of Matter
The Big Bang Theory
Gravity
Einstein Theory of General Relativity
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The molecule CO2 Carbon dioxide has how many oxygen atoms?
3
2
1
This is NOT carbon dioxide
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The molecule CO2 Carbon dioxide has how many carbon atoms?
3
2
1
This is NOT carbon dioxide
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The molecule water H2O has how many hydrogen atoms?
3
2
1
0
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The molecule water H2O has how many oxygen atoms?
3
2
1
0
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Identify this molecule: H2O2.
Water of course
Water
2 molecules of water
Hydrogen peroxide
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
C + O2 -> CO2 How many carbons are present at the beginning of this chemical reaction?
1
2
3
0
Tags
NGSS.MS-PS1-1
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