Chemical Reactions Review
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a chemical equation, the reactants are found on the _____ of the arrow
right
left
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An ending substance that is made during a chemical reaction
reactant
product
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A starting substance that is part of a chemical reaction
Reactant
Product
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A process in which atoms rearrange to form new substances
chemical reaction
chemical formula
science
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The total mass of the reactants is 18.4g. What would the total mass of the products be? (NOTE: Refer to the Law of Conservation of Mass)
18.4g
9.2g
4.6g
36.8g
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these is NOT a sign a chemical change has occurred?
color change
temperature change
bubble formation
cutting material
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Law of Conservation of Mass states
that matter exists in all states and reacts the same
that matter can only be changed into new substances by introducing a catalyst
that matter exists in the same state throughout any chemical change
that matter cannot be created or destroyed
Tags
NGSS.MS-PS1-5
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