
Understanding the Law of Conservation of Mass

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Evelyn Hayes
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean when something is conserved?
It remains unchanged.
It is destroyed.
It is created.
It changes over time.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a defined system, when does the mass change?
When the system is at rest.
When particles enter or leave the system.
When particles are destroyed.
When particles are created.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to mass in a closed system where no particles enter or leave?
The mass is destroyed.
The mass increases.
The mass remains constant.
The mass decreases.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a universal scale, why can't mass change?
Because nothing can enter or leave the universe.
Because the universe is expanding.
Because particles are constantly destroyed.
Because particles are constantly created.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of conservation of mass state about matter?
Matter can be created or destroyed.
Matter cannot be created or destroyed.
Matter can only be destroyed.
Matter can only be created.
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