Density
The two properties of matter that impact density.
Mass and Volume
Going from a solid to liquid
Melting
Holds a set shape, has a set volume
Solid
The most basic building block of all matter.
Atom
All particles are moving at least a little. What type of energy do they have?
Kinetic Energy
The formula for density.
D=m/v
Going from a liquid to a solid
Freezing
Gas
A specific type of atom.
Element
What is Kinetic Energy?
The energy of motion
As mass increases if volume stays constant, what happens to density?
Increases
Going from a liquid to a gas
Boiling
Does have a set volume, does not have a set shape.
Liquid
Two or more atoms bonded together.
Molecule
The average kinetic energy of a material is known as what?
Temperature
If volume increases with mass staying constant, what happens to density?
Decreases
Going from a gas to a liquid
Condensation
Fills its container.
Two or more DIFFERENT types of atoms bonded together.
Compound.
Temperature, or average kinetic energy, depends on what two factors? (see the kinetic energy formula!)
mass and speed/velocity
If a substance does not change its state of matter, only its size, what happens to density?
Stays the same, or constant.
Melting and Freezing both involve change between solid and liquid. Boiling and Condensing both involve change between liquid and gas. What is the only thing that is different within these pairs?
Direction. (ex. solid to liquid by adding heat, or liquid to solid by removing heat)
What defines a solid, liquid, or gas every time?
The behavior/arrangement of its molecules.
Why are all compounds molecules but not all molecules are compounds?
When you increase a molecule's speed by adding heat or increase the mass of the particles, what happens to the temperature?
Increases their kinetic energy which increases temperature.