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Law of Conservation
Quiz
•
Science
•
8th Grade
•
Hard
+3
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maria fills a bowl with 200 g of water. She puts the bowl of water in the freezer, and the water freezes. Which will most likely be the mass of the frozen water?
50 g
100 g
200 g
400 g
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following describes the law of conservation of mass?
In a reaction, atoms are created or destroyed.
In a reaction, atoms are not lost or made.
In a reaction, the mass of the product may be more or less than the reactants.
In a reaction, mass never stays the same.
Tags
NGSS.MS-PS1-5
3.
DRAG AND DROP QUESTION
1 min • 1 pt
P4O10 had a mass of 12g , and H3PO4 has a mass of 90g, accroding t the law of conservation of mass what is H2O mass? (a)
78g
102
102g
90g
12g
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?
The wood disappears.
It stays the same chemically.
The atoms in the wood and oxygen rearrange and form smoke and ash.
Nothing.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a reaction starts with a total 75g of reactants it should produce
a total of 40g of products
a total of 75g of products
a total of 180 g of products
None of the above
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the reaction AB-----> A + B reactant AB has 12g and product B has 5g. How many grams should product A have?
17g
2g
7g
None of the above
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sodium and chlorine combine to form sodium chloride, or table salt. Sodium and chlorine are:
Producers
Products
Reactionaries
Reactants
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
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