2/26 Physical vs. Chemical Changes
Authored by Jennifer Gomez
Science
7th Grade
NGSS covered
Used 12+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is an example of a chemical reaction?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which would produce a chemical change: select 2
baking bread
chopping vegetables
food digesting in stomach
choclate melting in your hand
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is salt dissolving into water a physical change?
it is irreversible
it is reversible
a gas is released
a phase change occurs
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sugar dissolved into water is:
physical change
chemical change
both
neither
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence of a chemical change is seen here:
a light is produced
a precipitate forms
a gas is produced
temperature change occurs
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Food rotting is a chemical change because:
an odor and a light is seen
odor and color change is seen
temperature and color change is seen
a precipitate forms
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
CATEGORIZE QUESTION
3 mins • 1 pt
Groups:
(a) Physical changes
,
(b) Chemical changes
burning a matc
boiling water
water freezing
same composition of material
milk going sour
cutting a piece of paper
cooking an egg
new substance is formed
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
NGSS.MS-PS1-4
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