Chemical Reactions
Authored by Mercedes Duarte
Science
5th - 8th Grade
NGSS covered
Used 9+ times
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30 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
According to the law of conservation of mass, matter cannot be created or ________
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.
True
False
Tags
NGSS.MS-PS1-5
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
In a chemical reaction, atoms ________ and form new bonds.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of mercury (Hg) are in the reactants?
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the chemical equation.
Is it written correctly to show the Law of Conservation of Mass?
Yes
No
Tags
NGSS.MS-PS1-5
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of nitrogen (N) are in the products?
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the chemical equation.
Is it written correctly to show the Law of Conservation of Mass?
Yes
No
Tags
NGSS.MS-PS1-5
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