States of Matter
What state of matter has a fixed shape and fixed volume?
Solid
What is the change from solid to liquid called?
Melting
According to the particle model, all matter is made of what?
Particles
What is a mixture?
Two or more substances physically combined
What method separates solids from liquids using a filter?
Filtration
What state of matter takes the shape of its container but has a fixed volume?
Liquid
What is the change from liquid to gas called?
Evaporation (or boiling)
How do particles move in a gas?
Quickly and randomly in all directions
What is a solution?
A mixture where one substance dissolves in another
What technique is used to separate a dissolved solid from a liquid by heating?
Evaporation
What state of matter has no fixed shape or volume?
Gas
What is the change from gas to liquid called?
Condensation
What happens to particles when heat is added?
They move faster
What is the substance that dissolves called?
Solute
What method separates substances based on different boiling points?
Distillation
Which state of matter has particles that are tightly packed and vibrate in place?
Solid
What is the change from liquid to solid called?
Freezing
Why can liquids flow?
Their particles can move past each other
What is the substance that does the dissolving called?
Solvent
What technique separates different coloured inks?
Chromatography
Which state of matter is the most compressible?
Gas
What is the change from solid directly to gas called?
Sublimation
Why are gases easy to compress?
There is a lot of space between particles
What type of mixture is evenly mixed and looks the same throughout?
Homogeneous mixture (solution)
What method separates magnetic materials from non-magnetic ones?