Do Now - Chemical & Physical Changes
Authored by Keiffer Scott
Chemistry
9th - 11th Grade
NGSS covered
Used 14+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In physical changes, substances might change in __________ but not in __________.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
True or False: a physical change may produce a new particle.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an indicator of a chemical change?
Change of color
Release of gas
Production of light
Dissolving
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an indicator of a physical change?
Change in size or shape
Change of color
Change in IMF/State
Dissolving
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl(s) -> NaCl(aq)
Is the above reaction a chemical or physical change?
Physical; it does not change the composition of the particle
Physical; it changes state of matter
Chemical; it dissolves into the water
Chemical; it changes state of matter
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl(aq) + AgNO3(aq) -> AgCl(s) + NaNO3(aq)
Is the above reaction a chemical or physical change?
Physical; it changes the composition of the particle
Physical; it changes state of matter
Chemical; it changes the composition of the particle
Chemical; it changes state of matter
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl(aq) + AgNO3(aq) -> AgCl(s) + NaNO3(aq)
What chemical indicator do you think you would see from the above reaction?
formation of a precipitate
production of gas
dissolving
Answer explanation
Watch the video to see the final indicator of a chemical change.
Tags
NGSS.MS-PS1-2
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