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, vanilla ice cream, sweet tea

100
Give 1 example of a heterogeneous mixture.
Trail Mix
200
What are the two main types of pure substances?
Elements and Compounds
200
What are the two main types of mixtures?
Heterogeneous & Homogeneous
200
What is something that has all identical particles?
Pure Substance
200

Can you take apart a homogeneous mixture of saltwater? How?

Yes, by boiling the water out.

200

What is the difference between heterogeneous and homogeneous mixture?

Homogeneous looks the same throughout and you can't tell the mixture apart. Heterogeneous can be taken apart and is very easy to tell the parts of the mixture.

300
The periodic table contains what?
Elements
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? Give 3 characteristics.
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

What are the Pushing P's?

Positive, Purpose Driven, Practice Safety, Persevere

400
What is a compound? Give an example to support your answer.
A compound is a substance formed when two or more elements are chemically joined (Example: NaCl aka salt)
400
What is a heterogeneous mixture?
A heterogeneous mixture DOES NOT mix evenly, and you can take it apart.
400

Mrs. Kennedy's favorite drink in the morning?

Coffee

400
What two things do you need to create a homogeneous mixture? Be specific.
Solute and Solvent.
400

Draw a molecular model of a heterogeneous mixture.

Teacher decides.

500
Give three examples of an element.
Iron (Fe), Sodium (Na), Hydrogen (H) etc...
500
What happens when I combine a solute and a solvent?
You get a solution.
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.

A penny.

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