Modeling Conservation of Mass
Authored by Lisa Hardie
Science
7th Grade
NGSS covered
Used 23+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The law of Conservation of Mass states
matter can be created and destroyed
matter takes up space
matter cannot be created or destroyed
matter has a new mass after a chemical reaction
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the starting materials in a reaction?
product
subscript
coefficient
reactants
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the substance that is formed after a chemical reaction called?
product
subscript
coefficient
reactants
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to atoms in a chemical reaction?
they are destroyed
they are created
they are rearranged
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lynn had 100 mg of water and 50 mg of salt. She then combined the water and the salt and a chemical reaction occurred. What is the mass at the end of her experiment?
50
100
150
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Does the image correctly represent the Law of Conservation of Mass?
yes
no
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Does the image represent the Law of Conservation of
yes
no
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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