8.2 Change of State Quiz

Quiz
•
Science
•
6th Grade
•
Hard
Standards-aligned
Sierra Perry
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes the process of freezing?
Freezing occurs when the temperature of a substance drops to 0°C.
Freezing occurs when the particles of a solid vibrate so fast that they break free.
Freezing occurs when the temperature drops enough a gas turns into a solid.
Freezing occurs when the particles in a liquid slow down and take fixed positions.
Answer explanation
Freezing is the process where particles in a liquid lose energy, slow down, and arrange themselves into fixed positions, forming a solid. This is accurately described in the correct choice.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The process that makes ice cubes shrink as they sit in a freezer is called
sublimation
condensation
freezing
boiling
Answer explanation
The process that makes ice cubes shrink in a freezer is sublimation, where solid ice turns directly into water vapor without becoming liquid first. This loss of mass causes the ice cubes to shrink over time.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature at which a liquid turns to a gas is
called the freezing point
called the boiling point
100°C
the same for an amorphous or a crystalline solid
Answer explanation
The temperature at which a liquid turns to a gas is known as the boiling point. This is distinct from the freezing point, which is the temperature at which a liquid becomes a solid.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Particles of which of the following have the greatest thermal energy?
a liquid
a crystalline solid
a gas
an amorphous solid
Answer explanation
A gas has particles that are far apart and move freely, resulting in higher thermal energy compared to liquids, crystalline solids, and amorphous solids, where particles are more closely packed and have restricted movement.
Tags
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sublimation and boiling both happen at the surface of the substance.
True
False; Evaporation
False; freezing
False; melting
Answer explanation
The statement is false because sublimation occurs at the surface, while boiling involves the entire liquid. Evaporation is the correct term for surface vaporization at any temperature, distinguishing it from boiling.
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vaporization is the reverse of condensation.
True
False; evaporation
False; freezing
False, melting
Answer explanation
Vaporization is the process of a substance changing from a liquid to a gas, which is the opposite of condensation, where a gas turns into a liquid. Therefore, the statement is true.
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature at which a liquid turns to a gas is called the boiling point.
True
False; melting point
False; freezing point
false; gas point
Answer explanation
The statement is true. The boiling point is the temperature at which a liquid changes to a gas. Other options refer to different phase changes: melting point is solid to liquid, and freezing point is liquid to solid.
Tags
NGSS.MS-PS1-4
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