Pure Substances
Mixtures
Matter and Temperature
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 phase of matter has a definite shape and volume?

Solid

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 the phase of matter where particles are tightly packed and can only vibrate in place?

Solid

200

Can you separate a colloid Why or Why not?

Not really. They cannot be filtered easily as the particles are too small and remain evenly dispersed.

200

What is the difference between heterogeneous and homogeneous mixture?

Homogeneous looks the same throughout. Heterogeneous 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

The molecular object of an object __________ when energy is removed.

decreases

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

What happens to the particles in a suspension when left undisturbed?

They settle out

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

Convert 113 degrees Fahrenheit to Celsius

45 degrees Celsius

400

What are the two types of homogeneous mixtures?

Solution and Colloid

400

How can you separate a heterogenous mixture?

Filtration

500
Give three examples of an element.
Iron (Fe), Sodium (Na), Hydrogen (H) etc...
500

What is an example of a suspension?

Oil and water

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