Law of Conservation

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?
4 grams
6 grams
8 grams
10 grams
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What will weigh more when a chemical change is complete? The reactants before the chemical reaction, or the product after the reaction is complete?
They both will weigh the same
The product always weighs more than the reactant
The reactant will weigh more than the product
They both will loose mass after the reaction
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams should reactant B have?
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many grams of OXYGEN would be needed to show conservation of mass in the example below?
100 g
93 g
7 g
0 g
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many grams of coal were present at the start of the chemical change?
Unknown
100 g
200 g
50 g
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many grams of CHOCOLATE POWDER are shown in the example of conservation of mass below?
450 g
465 g
0 g
15 g
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many kilograms of SMOKE are shown in the example of conservation of mass?
1 kg
30 kg
28 kg
3 kg
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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