Mixtures
Mixtures 2
Separation techniques
Separation techniques 2
States of Matter
100

A type of mixture where the solution separates into layers

Suspension

100

A mixture that looks the same throughout is called what?

What is a homogeneous mixture?

100

This method is used to separate iron filings from sand.

100

Gold miners use this technique to separate gold from sand.

Sieving

100

This state has a fixed shape and volume.

What is a solid?

200

What type of mixture is milk?

Colloid

200

A salad is an example of which type of mixture?

What is a heterogeneous mixture?

200

The separation technique used to separate salt from salt water

Evaporation

200

The technique used to separate oil and water

Decanting

200

This state of matter takes the shape of its container but keeps the same volume. What is it? 

Liquid

300

A mixture which you can see through is?

solution

300

Salt dissolved in water forms what type of mixture?

What is a homogeneous mixture (solution)?

300

When a solute cannot dissolve into a solvent

insoluble

300

This technique separates substances based on boiling points.

Distillation

300

What state are particles far apart and move freely in all directions.

Gas

400
The word given to a naturally occurring substance that has the same composition throughout.
Pure substance
400

Why is orange juice with pulp considered heterogeneous?

Because the pulp particles are unevenly distributed and visible.

400

The mixture is salt water. The salt is the __________.

Solute

400

The name given to only a small amount of solute in a solvent

dilute
400

What happens to the speed of particles when a solid is heated?

They move faster

500

This is the word to describe a lot of solute dissolved in solvent.

Concentrated

500

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.

500

The separation technique used to separate big rocks from smaller rocks.

Sieving

500

What is chromatography?

A method used to separate pigments in a mixture.

500

Why can gases be compressed easily, but solids cannot?

Because gas particles are far apart, leaving space to be squeezed, while solid particles are tightly packed.