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States Of Matter
Test Description: States of matter and phase changes
Instructions: Answer all questions to get your test result.
1) When ice melts
A
all answers are correct
B
an endothermic process occurs which requires energy
C
a phase change occurs from a solid phase to liquid phase
D
the water changes from a crystalline solid to a liquid
2) When water freezes
A
all answers are correct
B
the liquid water changes from a random structure to a crystalline solid
C
an exothermic process occurs where energy is lost from ice to the surroundings
D
a phase change occurs from a liquid phase to a solid phase
3) Which statement is not true.
A
to change from a solid to a liquid requires energy
B
in a solid the molecules have no motion, and no energy.
C
solids and liquids have similar densities because particles of solids and liquids both touch
D
depending upon the temperature, water can exist in solid, liquid or gas states
4) Lightning is best classified as :
A
liquid
B
solid
C
plasma
D
gas
5) The Bose- Enstein phase of matter occurs closest to what temperature?
A
freezing point of water
B
boiling point of water
C
absolute zero
D
10,000 degrees F
6) Gases have
A
atoms that do not move at all
B
a definite volume, but are able to change their shape by flowing.
C
a definite volume and shape
D
no definite volume or shape
7) A student is given a sample of an unknown liquid to test in a laboratory. Which of the following physical properties will be most useful to determine if the liquid is water?
A
The volume of the liquid.
B
The color of the liquid.
C
The boiling point of the liquid.
D
The mass of the liquid.
8) Which of the following is a chemical property of matter?
A
Flammability
B
Density
C
Magnetism
D
Melting
9) When salt dissolves in water, the water is the
A
solution.
B
solute.
C
solubility.
D
solvent.
10) The temperature at which a substance changes from a liquid to a gas.
A
Boiling point
B
Freezing point
C
Condensation point
D
Melting point
*select an answer for all questions
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