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Physical/Chemical Changes and Conservation of Mass
Authored by Lindley Carpenter
Science
7th Grade
NGSS covered
Used 5+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chemical equation supports the law of conversation of matter?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chemical equation shows a chemical reaction where mass is conserved?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chemical equation shows a balanced reaction between copper and silver nitrate solution?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation is balanced to obey the Law of Conversation of Matter during the reaction?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which demonstrates a chemical change?
glass breaking
a garbage can rusting
sugar dissolving in water
water evaporating from a sidewalk
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chemical equation below shows the amount of the reactants used and the amount of only one of the products formed.
How much water (H₂O) should be formed in this chemical reaction?
(Think Law of Conservation of Mass)
5g
9g
27g
31g
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 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
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