CFE Review: Law of Conservation of Mass and Energy
Authored by Veronica Renuart
Other Sciences, Physics
8th Grade
Used 178+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the Law of Conservation of mass?
2.
MULTIPLE CHOICE QUESTION
20 sec • 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?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Since gasses weigh nothing, when they are produced in a reaction they do not have to be accounted for.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which are chemical changes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can matter be created or destroyed?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass after a physical change, such as ice melting into water, stays the same
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Evidence of a chemical reaction include:
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