The Law of Conservation of Mass Assessment

Flashcard
•
Science
•
7th Grade
•
Hard
+1
Standards-aligned
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10 questions
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1.
FLASHCARD QUESTION
Front
The amount of matter in an object is its _________.
Back
Mass
Tags
NGSS.MS-PS2-2
2.
FLASHCARD QUESTION
Front
What does The Law of Conservation of Mass state?
Back
Mass can not be created or destroyed (it just transforms)
Tags
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
When you burn a candle, all that remains is a small puddle of wax. The puddle of wax has less mass than the original candle. The rest of the original candle’s mass was
Back
Transformed into gases
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
An example of a chemical reaction is ___________.
- Cutting a sheet of Paper into thin strips
- Freezing water into ice cubes
- Dissolving sugar into a glass of water
- Burning wood
Back
Burning wood
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
An example of a physical change is __________.
Back
Dissolving salt into a glass of water
6.
FLASHCARD QUESTION
Front
How many hydrogen atoms are in this compound?
Back
4
Tags
NGSS.MS-PS1-1
7.
FLASHCARD QUESTION
Front
The number of atoms on my reactants side should equal the number of atoms on my products side.
Back
True
Tags
NGSS.MS-PS1-5
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