Phases of Matter

What Is Matter?

• Anything That has weight and takes up space.
• Anything that you can see or taste.
• What you can touch.
• you and go throught this.

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

The opposite phase of melting is 

• freezing 
• sublimation
• condensation 
• deposition 

Freezing

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?

• sublimation
• condensation
• evaporation

Which of these is an example of sublimation?

• water turning to ice
• ice cream dripping
• a puddle drying up
• dry ice being used to make fog

a change of state when a gas becomes a liquid

• melting
• freezing
• condensation
• boiling

What causes phase changes?

• adding or taking away particles
• adding or taking away matter
• adding or taking away heat energy
• adding or taking away physical properties

A horizontal row of elements in the periodic table

• Molecule

• Period

• Family

• Atom