Solids, Liquids & Gases
Has a definite volume but not a definite shape
What is a liquid?
When a liquid is cooled it becomes this.
What is a solid?
The law that states that matter cannot be created or destroyed, it can only change forms.
What is the law of conservation of matter?
When heat is added to a liquid it becomes this.
What is a gas?
A group of atoms held together by chemical bonds
What is a molecule?
As a solid turns to a liquid, it's thermal energy does this.
What is increases?
The state where molecules move quickly by bouncing off each other
What is a gas?
When a gas is cooled it becomes this.
What is a liquid?
Changing states of matter is this type of change.
What is a physical change?
What must happen for matter to change states.
What is it must gain or lose energy?
The temperature where there is no heat created by the motion of molecules.
What is absolute zero?
This substance, often used at Halloween, is a gas at room temperature; a frozen block of this will immediately begin to vaporize when removed from the freezer!
What is dry ice (solid carbon dioxide)?
A type of mixture that is uniform throughout, also known as a solution.
What is a homogenous mixture?