Phases
What is the freezing point of water in Celcius?
Which state of matter has the highest amount of kinetic energy? (gas, liquid, solid)
Gas
Any change in matter in which its identity is changed is known as a(n)
Chemical change
Energy as heat is added while a sample of matter changes state. The temperature...
stays the same
All changes in the state of matter of a substance requires...
Energy
Water freezing is what kind of change
Physical
Which of the following terms identifies the change from a liquid to gas?
Vaporization
Are molecules are closest together in a Solid, liquid or gas?
Solid
Is copper tarnishing a physical or chemical change?
chemical
What is the phase change from a solid to a gas called?
Sublimation
Higher pressure increases or decreases the boiling point?
Increases
What cannot be broken down into other substances by physical or chemical methods?
Element
what phase can only exist at very high temperatures and high electrostatic potential
Plasma
Can substances be two types of matter at once?
Yes (non newtonian fluid)
Matter that can be separated using physical methods.
Mixture