Pure Substances
Mixtures
Particle Theory
Homogeneous Mixture
Heterogeneous Mixture
100
What is a pure substance?
A pure substance is not mixed with any other substance or material, and cannot be separated.
100
What is a mixture?
Mixtures are two or more substances that are mixed together but not chemically joined.
100
What happens to particles when they are frozen?
They are tightly packed and vibrate, however they cannot move.
100
Give an example of a homogeneous mixture
Peanut butter, ice cream, milk
100
Give 1 example of a heterogeneous mixture.
Trail Mix
200

Which of these are a pure substance?

A. Pizza

B. Copper

C. Smoothie

D. Chick Fil a Lemonade

B. Copper

200
What are the two main types of mixtures?
Heterogeneous & Homogeneous
200

Explain how "gas" particles move.

"fast"

200
Can you take apart a homogeneous mixture? Why?
No, once they are combined the ingredient cannot return the its original state.
200
What is the difference between heterogeneous and homogeneous mixture?
Homogeneous looks the same throughout and you can't take the mixture apart. Heterogeneous can be taken apart and is very easy to tell the parts of the mixture.
300

True of False

Air is not a pure substance

False

300
What does homogeneous mean?
When a mixture does mix evenly-appears too look the same throughout.
300

What happens to the particles of an ice cube when they are heated up?

They melt, and progressively move faster-away from each other and increase in space.

300
Give an example of a homogeneous mixture that you cannot physically see, but is all around us.
Air.
300

True or false

Chocolate milk is a heterogeneous mixture

False!

400

Name a pure substance and its state of matter

Good JOB!

400
What is a heterogeneous mixture?
A heterogeneous mixture DOES NOT mix evenly, and you can take it apart.
400

Mr. Jackson's favorite football team.

Las Vegas Raiders

400

Who is the coolest teacher in ILTexas?

Mr. Jackson!

400

Turn around and close your eyes.. How do you spell Heterogeneous?

Heterogeneous

500

Heat is....?

Energy!

500

What does solubility mean?

The amount of a substance that can dissolve in a specific amount of liquid.

500
The three states of matter are also known as:
Solid, Liquid & a Gas
500

Give an example of a homogeneous mixture that is not a liquid.

Example: Nail

500
You have 30 seconds to name 5 heterogeneous mixtures.
Salad, chex mix, soil, bits and bites, oatmeal chocolate chip
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