
Law of Conservation of matter
Authored by Princess Scott
Science
8th Grade
NGSS covered
Used 22+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are there
6
12
2
3
Tags
NGSS.MS-PS1-1
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A chemical equation must always be
balanced
equal
wrong
rearranged
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a coefficient?
the amount of matter in an object
a number before the chemical formula
a small number in a chemical formula that indicates the number of atoms of an element in a molecule
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this chemical equation balanced ?
yes
no
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the mass reactants and the mass product in a chemical equation?
they ALWAYS have to be wrong
they ALWAYS have to be equal
they must have subscripts
they must have coefficient
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of atoms of each element........
rearrange
remains the same
go through a chemical reaction
change into different molecules
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the equation . How many cl will come out in the product
3
2
6
8
Tags
NGSS.MS-PS1-2
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