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Physical And Chemical Changes
Test Description: Matter and Interactions
Instructions: Answer all questions to get your test result.
1) When matter changes SHAPE, or FORM, but the molecular structure stays the same, what type of change occured?
A
Physical Change
B
Chemical Change
2) When matter changes on a MOLECULAR level, resulting in the formation of a NEW substance, what type of change has occured?
A
Physical Change
B
Chemical Change
3) What type of change can usually be undone?
A
Chemical Change
B
Physical Change
4) What type of change cannot be undone?
A
Physical Change
B
Chemical Change
5) Which of the following is NOT a sign of a Chemical Change?
A
A change in taste
B
A change in color.
C
Heat or light is created.
D
A gas is created.
6) An ice cube melting is an example of a
A
chemical change
B
physical change
7) Dissolving sugar in water is an example of a
A
chemical change
B
physical change
8) According to the Law of Conservation of Mass...
A
new matter can be lost, but not made
B
new matter can never be made or lost
C
new matter can be made, but not lost
D
new matter can be made or lost
9) Solubility refers to...
A
an object's ability to create new matter
B
an object's ability to solve a math problem
C
an object's ability to float in water
D
an object's ability to dissolve in water
10) Buoyancy refers to..
A
an object's ability to dissolve in water
B
an object's ability to float in water
C
an object's ability to bounce
D
an object's ability to leap tall buildings in a single bound
11) According to the Law of Conservation of Mass, when ice cream melts, its total mass will
A
increase
B
decrease
C
stay the same
12) Which of the following is NOT a chemical change?
A
slicing bread
B
frying an egg
C
metal rusting
D
baking cookies
13) Water evaporating is an example of a
A
physical change
B
chemical change
14) If two substance are mixed in a sealed container, and a gas is created, it is an example of a
A
physical change
B
chemical change
15) If two substance are mixed in a sealed container, and a gas is created, the total mass of the container should
A
stay the same
B
decrease
C
increase
16) When two substances are mixed together, and those two substances are evenly distributed and equally spread out, it is called a...
A
suspension
B
mixture
C
potion
D
solution
17) When two substances are mixed together, and those two substances are not evenly distributed, or equally spread out, it is called a...
A
suspension
B
potion
C
mixture
D
solution
18) Which of the following is NOT an example of a solution?
A
Mixing food coloring in water
B
Mixing sand in water
C
Mixing salt in water
D
Mixing sugar in water
19) Trail mix would be an example of a
A
mixture
B
solution
20) I think Ballroom Dancing will be...
A
Kind of fun.
B
Just OK.
C
My new favorite thing in the world.
D
My worst nightmare.
*select an answer for all questions
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