Chemistry Introduction
Authored by Juliet Capungcol
Chemistry
7th - 9th Grade
NGSS covered
Used 82+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Water is an element.
true
false
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The milk has turned sour.
Chemical Change
Physical Change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
An atom's atomic number will tell you how many protons and electrons it has.
True
False
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which sub-atomic particle is responsible for reactions between most atoms?
Proton
Neutron
Electron
None of these
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Evidence of a chemical change includes:
Color changes
Temperature changes
Small explosions
All of the above
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
a charged atom
neutral
isotope
ion
nucleus
Tags
NGSS.MS-PS2-5
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
same number of protons, different number of neutrons
atomic number
mass number
isotope
ion
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