What are the 3 states of matter?
Solid, Liquid, & Gas
The amount of material in an object is called its...
Mass
What is it called when liquid turns to solid?
Freezing
What two properties do things need in order to be considered matter?
Mass & Volume
What state of matter is water in at room temperature?
Liquid
Which state of matter has a fixed shape?
Solid
The amount of space a material takes up is called its...
Volume
What is it called when solid turns to liquid?
Melting
True or False: All odors are made of particles.
True
When room temperature water is heated its state of matter changes from __________ .
liquids to gas
A material that has no fixed shape and no fixed volume is called a...
Gas
What is the basic particle from which all elements are made?
Atom
What is it called when liquid turns to gas?
True or False: Odors can move in all direction.
True
In what state of matter can objects be held in your hand?
Solid
List one material for each state of matter.
Solid - (varies)
Liquid - (varies)
Gas - (varies)
What is the difference between compression and expansion?
Compression is when molecules get squished/pressed together (less empty space).
Expansion is when molecules get pulled apart (more empty space).
What is it called when gas turns to liquid?
Condensation
What causes matter to change states?
Temperature and/or Pressure
Water in the gas state is called __________ .
Water Vapor
Which state of matter has a fixed mass and volume, but no fixed shape?
Liquid
Which property is true of all states of matter?
They have a fixed mass
What is it called when gas turns to solid?
Deposition
What is it called when a solid turns directly to a gas?
Sublimation
All matter can exist as a gas if __________ .
it gets hot enough