Conservation of Mass & counting atoms
Authored by Diane Ahmann
Science
9th - 12th Grade
NGSS covered
Used 12+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reaction A + B --> C,
reactant A has 5g and product C has 9g. How many grams does reactant B should have?
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this equation balanced or unbalanced?
H2 + O2 --> H2O
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
DROPDOWN QUESTION
1 min • 2 pts
Number placed in front of a chemical formula is a (a) and a small number placed after an element is a (b)
4.
DRAG AND DROP QUESTION
1 min • 2 pts
Substances that are used at the beginning to create a chemical reaction are the (a) Substances that form as the result of a chemical reaction are the
(b) .
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
3
5
6
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Law of Conservation of Mass says that matter can neither be __________ or __________.
created; destroyed
recycled; renewed
subtracted; added
joined; separated
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anthony adds 0.25 grams of baking soda to 5 grams of water and stirs. He watches as the baking soda dissolves in the water. If Anthony weighs the final solution, what will its mass be?
4.75 grams
5.0 grams
5.25 grams
7.5 grams
Tags
NGSS.MS-PS1-5
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