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Physical And Chemical Changes
Test Description: Physical and Chemical Changes
Instructions: Answer all questions to get your test result.
1) Which of the following is a physical change
A
rusting
B
combusting
C
corroding
D
dissolving
2) Which of the following is a chemical change
A
ripping
B
dissolving
C
combusting
D
tearing
3) Which is a sign that a chemical change has occurred
A
Change in texture
B
An unexpected color change occurs
C
Change in size
D
Change in shape
4) Which of the following is a chemical change?
A
Water having a density of 1 g/mL
B
Sugar dissolving in water
C
A reddish material forming on a chain when exposed to rain
D
A paper changing shape after being cut
5) Which of the following is NOT a sign of chemical change
A
Change in temperature
B
Change in smell
C
Unexpected color change
D
Change in shape
6) Which must always be true for a chemical change?
A
The new substance remains in the same state of matter
B
Molecules are not broken
C
A new substance is formed
D
A gas must always be formed
7) Which of the following is a physical change
A
Change in sound
B
Unexpected color change
C
Change in state
D
Change in smell
8) Which of the following is a chemical change
A
Change in shape
B
Production of gas
C
Change in state of matter
D
EXPECTED color change
9) Cutting paper is a
A
Physical Change
B
Chemical Change
10) Production of gas is a
A
Physical Change
B
Chemical Change
11) A reaction becoming cooler is a
A
Physical Change
B
Chemical Change
12) Styrofoam dissolving in Acetone
A
Physical Change
B
Chemical Change
13) Cracking a glow stick is a
A
Chemical Change
B
Physical Change
14) Smelling burnt toast is a
A
Physical Change
B
Chemical Change
15) Fireworks explosion is a
A
Physical Change
B
Chemical Change
16) A nail file can change the shape of a fingernail
A
Chemical Change
B
Physical change
17) Bubbles form and there's a change in smell
A
Chemical Change
B
Physical Change
18) Using sandpaper on a piece of wood to smooth it out
A
Chemical Change
B
Physical Change
19) A material that eats away another metal
A
Chemical Change
B
Physical Change
20) Chewing food is
A
Chemical Change
B
Physical Change
*select an answer for all questions
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