Vocabulary
What is a scale?
the relative size of things
What are the 3 phases of matter?
Liquid, solid, gas
What is melting?
When a solid turns into a liquid
Atoms bond together to form this
Molecule
The particles in a solid have ___ energy than particles in a liquid
Less
What is evaporation?
when a liquid turns into a gas.
What phase of matter is it called when molecules stay in place?
A solid
What is evaporation?
the process of turning from liquid into vapor
This suffix means "the study of"
"-ology"
Which state of matter has particles that vibrate in a fixed position?
Solid
What is a molecule?
a group of atoms combined together in a particular way
A substance in this phase will never have the same shape or volume
Gas
Name 3 gases
hydrogen, oxygen, water vapor
This can also force a substance to change state
Pressure
What is the abbreviation for milliliters? Be specific!
What is kinetic energy?
the energy an object has because of its motion
A substance in this phase takes the shape of it's container but always takes up the same amount of space
Liquid
What is the melting point of ice?
32F or 0C
As a substance changes from a solid to a liquid to a gas, the amount of thermal energy ______.
Increases
The particles in an object have some attraction between each other and move by sliding around each other. The particles belong to a __________.
Liquid
What is molecular attraction?
When forces acting between two molecules depend on the distance between the molecules and the distance is measured from their centers.
Why do solids keep their shape?
The particles are linked by strong forces which connect them tightly
What is the boiling point of water?
212 degrees or 100C
This is the kind of change a phase change is considered to be.
physical change
A scientific tool that is used to accurately measure out liquids is called a __________ __________.
graduated cylinder