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Physical And Chemical Changes
Test Description: Reviews physical and chemical changes by giving example-based questions.
Instructions: Answer all questions to get your test result.
1) Is boiling water a chemical change or a physical change?
A
Physical change
B
Both
C
Neither
D
Chemical change
2) Is lighting a firework considered a physical or chemical change?
A
Neither
B
Chemical
C
Both
D
Physical
3) One of the ways you can identify a physical change is:
A
Fizzing or bubbling
B
An explosion
C
A change in state of matter
D
A sudden, unexpected color change
4) When food is digested in your stomach, is that a chemical or physical change?
A
Physical
B
Chemical
C
Don't ask me, I am just a student here
D
When's lunch?
5) When food is chopped by a knife in the kitchen, is that considered a physical or chemical change?
A
Physical
B
Both
C
Neither
D
Chemical
6) Which one is NOT a sign of a physical change?
A
Sudden color change of the object
B
Change in shape of the object
C
Change in size or mass of the object
D
Change of state of matter
7) When a solid, new substance is formed from two liquid substances, what is that called?
A
Prenotation
B
Presubjection
C
Premonition
D
Precipitate
8) What is one nonexample of a chemical reaction?
A
mixing vinegar and baking soda
B
putting metal in acid
C
None, all of the above are chemical reactions
D
baking a cake
9) Which of the below is not evidence of a chemical reaction?
A
Cutting a metal chain
B
a temperature change
C
Formation of a precipitate
D
Formation of a new substance
10) Is a temperature change ALWAYS an indicator of a chemical change?
A
Depends on whether it gets hot or cold
B
No, not always
C
Yes!
D
None of the above
*select an answer for all questions
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