Phases of Matter
Which phase change occurs: Solid --> Liquid
Melting
How do we measure temperature here in the USA?
Degrees Fahrenheit
What kind of energy is present within solids?
Kinetic Energy
When labeling a your axis's what is your y axis, what is your x axis?
y=temperature (0C)
x=time
Describe the shape and volume of a solid.
**Use terms definite and/or indefinite**
Shape=definite
Volume=definite
Freezing
Degrees Celsius
What kind of energy must be present during a phase change?
Potential energy
What temperature does Water's melting point occur?
0 degrees Celsius
Describe the shape and volume of a liquid.
**Use terms definite and/or indefinite**
Shape=indefinite
Volume=definite
Which phase occurs: Gas --> Liquid
Condensation
In the World, what is the universal measurement of temperature?
Kelvin
For a phase change to start __________energy is transferred into __________energy
Kinetic/ Potential
What temperature does Water's boiling point occur?
100 degrees Celsius
Describe the shape and volume of a gas.
**Use terms definite and/or indefinite
Shape=indefinite
Volume=indefinite
What phase occurs: Gas --> Solid
Deposition
What temperature is absolute zero?
0 Kelvin
What is potential energy?
Energy that builds up due to position.
True or False. A heating curve for any substance looks the same.
True. The only difference is the temperature of the melting and boiling points of the substance.
Temperature
What phase occurs: solid --> gas
Sublimation
What is temperature?
Temperature is the average kinetic energy of molecules (average energy from motion of molecules)
True. Energy is transferred. It is never created or destroyed
Kinetic Molecular Theory
Theory that states that all molecules (atoms) are in constant motion, and that the amount of motion is different for the three states of matter.