Mass
Authored by Kimberly Clark
Chemistry
9th - 12th Grade
NGSS covered
Used 3+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is not an example of chemical changes
Burning Wood
Dyeing Hair
Digesting Food
Chopping wood
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which are chemical changes
Iron rusting
Glass breaking
Clothing ripping
Hair cut
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the law of conservation of mass?
The part of the universe being studied
The rest of the universe that interacts with the system
Within a closed system, mass does not change
A system that freely exchanges matter and energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can matter be created or destroyed?
Yes, it can be created.
Yes, it can be destroyed.
No, matter is always conserved
None of these
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass after a physical change, such as ice melting into water, stays the same
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total amount of matter (atoms) before and after a chemical reaction (change), remains the same.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the law of conservation of mass?
Matter changes when reacted or changed.
The mass of all reactants are changed during a physical or chemical change
The mass of the reactants is the same as the mass of the products
The mass of the products is different than the mass of the reactants.
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