Solids, Liquids & Gases
What has a definite volume but not a definite shape?
A Liquid
When a liquid is cooled it becomes what?
a solid
What is the phase change where a solid turns into a liquid?
Melting
Anything that has mass and takes up space is called....?
Matter
The law that states that matter cannot be created or destroyed.What is the law of conservation of matter?
The law that states that matter cannot be created or destroyed.
What has a definite shape and a definite volume?
A solid
When heat is added to a liquid it becomes what?
A gas
What type of energy creates phase changes?
Thermal energy or Heat Energy
A group of atoms held together by chemical bonds is called what?
molecules
As a solid turns to a liquid it's what happens to the thermal energy.
It increases or is added
In what state do molecules move extremely quickly and by bouncing off each other?
A gas
When a gas is cooled it becomes a what?
a Liquid
What change happens when a liquid turns to a solid?
Freezing
What is condensation?
When heat energy is added to a gas to make it a liquid
What are all molecules always doing- no matter what state of matter they are in?
Moving
What are the properties that solids and liquids share?
They both have a fixed volume.
What must happen for matter to change states?
energy must be added or removed
What is the phase change when a gas turns into a liquid?
Condensation
What is volume?
the amount of space something takes up
In this state of matter, particles vibrate in place and are packed closely together.
Solids
What state of matter found in neon signs and is a super hot electrified gas?
Plasma
Draw the particle arrangements for a solid, liquid, and gas.
Miss Eak will check these!
When heat is added to a liquid and becomes a gas- what is this called?
Evaporation
What is the word for the characteristics that describe something including its physical and chemical make up?
Properties
This change of state occurs when a liquid becomes a gas at the surface of the liquid without boiling.
Evaporating