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Worksheetschanges of states of matter
Total questions: 25
Worksheet time: 35mins
A puddle of water seemed to disappear. This is an example of?
melting
evaporation
condensation
freezing
When enough ______________ is added to the solid ice cubes, the melt.
a. water vapors
b. particles
c. heat energy
The steam coming off the pot of boiling water is an example of?
a solid becoming a liquid
a liquid becoming a solid
a liquid becoming a gas
a gas becoming a solid
What is the change of state from a liquid to a solid?
freezing
melting
boiling
condensing
Water droplets on a can of soda are an example of?
evaporation
sublimation
deposition
condensation
True or False. When the temperature of a substance decreases, particles move slower.
True
False
Why do wet clothes dry when you hang them outside on a hot sunny day?
the water in the clothes freezes
the water in the clothes melts
the water in the clothes evaporates
How are boiling and evaporating different?
They both are processes that change a liquid to a gas.
Boiling requires heat to be added so the particles rapidly change to a gas.
Evaporating requires heat to be added so the particles rapidly change to a gas.
Solids have:
no definite shape; no definite volume
a definite shape but not a definite volume
a definite shape and a definite volume
a definite volume, but no definite shape
Which statement BEST describes what happens to water when it changes state from a liquid to a solid?
a, Its particles begin to move faster
b. Its particles move more slowly
c. They don't move at all
Choose the correct statement:
a. An ice cube becomes gas at its melting point.
b. An ice cube becomes liquid at its melting point.
TRUE/FALSE: Boiling and evaporation both change liquid to gas.
TRUE
FALSE
True/False: Evaporation and condensation are opposite processes.
FALSE
TRUE
What is the change of matter from a gas to a liquid?
a. evaporation
b. condensation
c. freezing
Heat makes the particles of frozen water move _____________ and farther apart.
a. faster
b. slower
c. the same
A _____________ is matter that spreads out in all directions.
a. solid
b. gas
c. liquid
If condensation forms on the inside of a window, then
the air inside the room is warmer than the window pane
the air inside the room is colder than the window pane
the air inside the room is the same temperature as the window pane
When the temperature of the water reaches ______, the water boils, or forms bubbles of gas.
a. 0°C
b. 100°C
c. 50°C
When water vapor loses heat, its particles move more ____________ and move ___________ together. The water vapor changes to liquid water.
a. faster, farther
b. slowly, closer
c. faster, closer
What happens to liquid water at 0°C?
a. It becomes a solid.
b. It becomes air.
c. It becomes a gas.
Why would a pair of eyeglasses fog up when brought from a cold place to a warm place?
condensation
melting
freezing
Number 2 represents a ________
solid
liquid
gas
plasma
As particles are exposed to warmer temperatures they __________
move faster
slow down
stay the same
vibrate on its spot
