Show:
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
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? 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
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)
300
What is a heterogeneous mixture?
A heterogeneous mixture DOES NOT mix evenly, and you can take it apart.
300

The fourth state of Matter is called________.

Plasma

300
What two things do you need to create a homogeneous mixture? Be specific.
Solute and Solvent.
300

True or False? A fruit salad can be classified as a Heterogenous mixture. Explain your answer.

True because it is made of separate parts that can be easily separated.

400
Give three examples of an element.
Iron (Fe), Sodium (Na), Hydrogen (H) etc...
400
What happens when I combine a solute and a solvent?
You get a solution.
400
The three states of matter are also known as:
Solid, Liquid & a Gas
400
Give an example of a homogeneous mixture that is not a liquid.
A nail used for wood work.
400
You have 30 seconds to name 5 heterogeneous mixtures.
Salad, chex mix, soil, bits and bites, oatmeal chocolate chip
500

Is water classified as a PURE SUBSTANCE & why?

Yes, because it is made of 2 or more elements.

500

What materials are used when we are filtering 2 substances?

A funnel, filter paper, and a test tube or beaker.

500

If a substances' atoms are far apart and traveling at a fast rate of speed it is called this state of Matter.

Gas

500

Please give 3 examples of a HOMOgeneous mixture.

Responses may vary.

500

What are two separation techniques that can be used to separate the parts of a HOMOgeneous mixture?

Filtration and magnetism