What are the three phases of matter?

• Ice, water, steam
• Solid, liquid, gas
• Solid, density, liquid
• mass, volume, density

What is matter?

• Volume of an object
• Anything that has mass and takes up space
• Mass of an object
• Space of an object

What phase of matter is represented by the particle model?

• Solid
• Liquid
• Gas

What phase of matter is represented by the particle model?

• Solid
• Liquid
• Gas

What phase of matter is represented by the particle model?

• Solid
• Liquid
• Gas

Describe the particles in model.

• Definite shape and definite volume, close together, slow movement of particles bumping into each other.
• No definite shape, but has a definite volume and some space for particles to flow freely allowing the substance to move
• No definite shape or definite volume, lots of space between particles, particles moving very fast all over

Describe the particles in model.

• Definite shape and definite volume, close together, slow movement of particles bumping into each other.
• No definite shape, but has a definite volume and some space for particles to flow freely allowing the substance to move
• No definite shape or definite volume, lots of space between particles, particles moving very fast all over

Describe the particles in model.

• Definite shape and definite volume, close together, slow movement of particles bumping into each other.
• No definite shape, but has a definite volume and some space for particles to flow freely allowing the substance to move
• No definite shape or definite volume, lots of space between particles, particles moving very fast all over

Changing gas to a liquid is called

• evaporation
• condensation
• melting
• freezing

One sunny morning a boy left a shallow bowl of water on the window ledge in his kitchen.  He meant to put the water on the floor for his cat. When he returned home from school, most of the water was gone. Which process has occurred?

• Condensation
• Liquification
• Evaporation
• Boiling