Review: Chemical Reactions
Authored by Melissa Le
Science
7th Grade
NGSS covered
Used 11+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Define physical change.
change that alters form or appearance of a substance without changing it to a different substance
change in matter that produces one or more new substances ; atoms and molecules rearrange to form new combinations
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Define chemical change.
change that alters form or appearance of a substance without changing it to a different substance
change in matter that produces one or more new substances ; atoms and molecules rearrange to form new combinations
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is Law of Conservation of Matter/Mass?
matter cannot be created or destroyed
matter can be created or destroyed
mass is matter
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is an endothermic reaction?
cooler than its surroundings ; absorb energy
hotter than its surroundings ; releases energy
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is an exothermic reaction?
cooler than its surroundings ; absorb energy
hotter than its surroundings ; releases energy
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The LEFT side of the reaction are
reactants
products
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The RIGHT side of the reaction are
reactants
products
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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