Water is considered a ___________.
Liquid
When you add energy, the distance between particles (increases or decreases)
Increases
An ice cube becoming water is ____________.
Melting
Juice going into the freezer to become a popsicle is what phase change?
Freezing
This type of matter is invisible. It is found in solids, liquid and gases
What are particles or molecules
This state of matter has particles close together and in an orderly arrangement.
Solid
Boiling water is an example of (evaporation or condensation)
evaporation
An object going from a liquid to a solid is due to a _________ in the energy. This phase change is called __________________.
Decrease , freezing
Evaporation is when a liquid becomes a _____.
Gas
What is phase change?
What is happening to matter when it changes from solid to liquid to gas and back again.
The particles in a solid __________(type of movement) since they are closely packed together.
Vibrate
Freezing happens to what decreasing in the matter?
Energy
Droplets on the side of a glass is an example of:
(clouds forms this way)
Condensation
Melting (a solid to a liquid) is due to a large _________ in energy.
(increase or decrease}
Increase
The particles in a solid are ( spacing and motion)
Are very close together and vibrate
This state of matter has a definite volume, but takes on the shape of the container they are in.
Liquid
Name the three phase changes that are due to an increase in energy.
Melting, Vaporization or Evaporation, Sublimation
Increasing energy causes the particles to move ______.
Faster
Decreasing the energy causes the particles to move ________.
Slower
Solid to Liquid
What is melting?
True or False: Gases are always less dense than air
False
Water droplets form on the outside of your cup due to the air surrounding it losing what?
Energy
The phase when gas becomes a liquid is
condensation
The phase changes when a solid becomes a liquid then to a gas are __________, then ___________.
Melting , Evaporating
Decreasing the energy causes the particles to move _______________
Slower