changes of states of matter

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.

True or False: Matter can changes states by adding heat or cooling.

• True
• False

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