Mixtures
A type of mixture where the solution separates into layers
Suspension
A mixture that looks the same throughout is called what?
What is a homogeneous mixture?
This method is used to separate iron filings from sand.
Magnetic separation
Gold miners use this technique to separate gold from sand.
Sieving
This state has a fixed shape and volume.
What is a solid?
What type of mixture is milk?
Colloid
A salad is an example of which type of mixture?
What is a heterogeneous mixture?
The separation technique used to separate salt from salt water
Evaporation
The technique used to separate oil and water
Decanting
This state of matter takes the shape of its container but keeps the same volume. What is it?
Liquid
A mixture which you can see through is?
solution
Salt dissolved in water forms what type of mixture?
What is a homogeneous mixture (solution)?
When a solute cannot dissolve into a solvent
insoluble
This technique separates substances based on boiling points.
Distillation
What state are particles far apart and move freely in all directions.
Gas
Why is orange juice with pulp considered heterogeneous?
Because the pulp particles are unevenly distributed and visible.
The mixture is salt water. The salt is the __________.
Solute
The name given to only a small amount of solute in a solvent
What happens to the speed of particles when a solid is heated?
They move faster
This is the word to describe a lot of solute dissolved in solvent.
Concentrated
Explain why air is classified as a homogeneous mixture even though it contains different gases.
Because the gases are evenly mixed and cannot be distinguished from each other.
A mixture of sand, salt, and water is given to you.
Describe the steps and physical separation techniques you would use to separate all three substances.
Name each technique and explain why it works.
What is chromatography?
A method used to separate pigments in a mixture.
Identify three ways to make a substance dissolve faster
1. Stirring
2. Surface area
3. Temperature