What happens to the mass you lose while sleeping?

Understanding Chemical and Physical Changes

Interactive Video
•
Chemistry, Science
•
7th - 12th Grade
•
Medium

Ethan Morris
Used 21+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is converted into energy.
It is stored in the body for later use.
It disappears without any trace.
It is lost through physical and chemical processes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of a chemical change?
Formation of a new substance
Change in state
Evaporation of water
Melting of ice
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a sign that a chemical change has occurred?
The substance changes color.
The substance remains the same.
The substance becomes colder.
The substance changes shape.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
Crushing aspirin
Melting butter
Boiling water
Rusting iron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of change is dissolving sugar in water?
Chemical change
Neither chemical nor physical change
Both chemical and physical change
Physical change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process is an example of a physical change?
Rusting metal
Rotting fruit
Boiling water
Burning paper
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates a chemical change in a laboratory setting?
Change in state
Formation of a precipitate
Increase in volume
Decrease in mass
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