Show:
Solids, Liquids & Gases
Adding or removing heat
Phase Changes
Chemical or Physical?
Density
100
Has a definite volume but not a definate shape
What is a liquid?
100
When a liquid is cooled it becomes what?
What is a solid?
100
Phase change of a solid turning into a liquid
What is melting?
100

Size

What is a physical property?

100

mass/volume

What is density or the density formula?

200
Has a definite shape and volume
What is a solid?
200
When heat is added to a liquid it becomes what?
What is a gas?
200

When heat is added to a liquid and becomes a gas.

What is evaporation? (boiling would also be acceptable)

200

An unexpected color change.

What is a chemical change?

200

Density is defined as this.

What is how compact the particles of a substance are?

300

In this state molecules move extremely quickly and by bouncing off each other

What is a gas?

300
When a gas is cooled it becomes a what?
What is a liquid?
300
Change from a liquid to a solid
What is freezing?
300

Fireworks blowing up are an example of this type of chemical change

What is combustion?

300

The units for density.

What is g/cm3 or g/mL?

400

Another name for the "states" of matter

What are phases of matter?

400
What must happen for matter to change states?
What is it must gain or lose energy?
400
Phase change of a gas turning into a liquid
What is condensation?
400

Solubility

What is a physical property?

400

Mass = ???

What is density * volume (d*V)

500

Draw the particle arrangements for a solid, liquid, and gas.

(see board)

500

Points B and D on the phase change diagram represent a _________

What is a phase change?

500

The phase change when a solid turns into a gas.

What is sublimation?

500

DOUBLE JEOPARDY!!

We know cookies are done cooking based on the delicious smell from this process _______ which is a type of ______ change

What is caramelization and chemical?

500

An unknown material has a mass of 43.8 g and a density of 6.2 g/mL. Its volume is equal to... (round to one decimal)

What is 7.1 mL?