Chemical Reactions
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When energy is absorbed and taken in during a chemical reaction it is called
exothermic
endothermic
eccentric
ectomorphic
Tags
NGSS.HS-PS1-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the matter in a chemical reaction gets colder it is called
exothermic
endothermic
eccentric
endomorphic
Tags
NGSS.MS-PS3-4
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the matter in a chemical reaction gets warmer it is called
exothermic
endothermic
eccentric
endomorphic
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the correct description of photosynthesis
Photosynthesis is a chemical reaction because the atoms of the molecules get rearranged to form new molecules
Photosynthesis is a chemical reaction because the molecules stay the same before and after the change
Photosynthesis is a physical change because nature makes it happen
Photosynthesis is a physical change because the atoms stay the same
Tags
NGSS.MS-PS1-5
NGSS.MS-LS1-6
NGSS.MS-LS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Signs of a chemical change could be:
a change in energy (temperature, light, sound)
a precipitate forms (a solid forms from 2 liquids)
formation of gas (bubbles)
shocking change in color
all of these answers are signs of chemical change
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The products are:
molecular oxygen and 2 carbon
2 carbon monoxide
all of these are products
all of these are reactants
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The reactants are:
molecular oxygen and 2 carbon
2 carbon monoxide
all of these are products
all of these are reactants
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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