Chemical and Physical Changes Review
Authored by Hope Braithwaite
Science
8th Grade
NGSS covered
Used 11+ times
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47 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does the atomic number tell us about an atom?
The number of protons
The number of neutrons
The number of electrons
The atomic mass
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which atoms are in the H₂SO₄ molecule?
Hydrogen, Sulfur, and Oxygen
Helium and Sodium
Hydrogen, Silicon, and Oxygen
Hydrogen and Water
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the missing coefficient for C in the reaction: ___ C + ___ S4 → 4 CS2?
1
2
3
4
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In this equation, how many hydrogen atoms are involved?
HCl + NaOH → NaCl + H2O?
1
2
3
4
Tags
NGSS.MS-PS1-1
5.
LABELING QUESTION
1 min • 2 pts
Label the parts of the atom
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How many oxygen atoms are in this equation?
1
2
3
4
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
LABELING QUESTION
45 sec • 1 pt
Label the parts of the reaction.
Reactants
Products
Tags
NGSS.MS-PS1-2
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