Particles
Separation methods
Pure vs Mixed substances
Solutions
Environmental impacts
100

What is the definition of a particle?

A particle is an extremely small piece, fragment, or amount of something.

100

Name 3  different separation methods?


hand picking, winnowing, threshing, magnetic attraction, sifting/sieving, filtration, sedimentation, decantation, sublimation, evaporation, distillation, and boiling.



100

Whats a pure substance?

Substances that are made of only one type of atom or only one type of molecule.

100

What is the definition of solutions?

A homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility.

100

Name a thing that can negatively effect our environment?

It can cause water pollution and the release of hazardous chemicals in the air.

200

what are particles made up of?

Particles are made up of atoms.

200

How would you separate sand and iron filings?

Magnetic attraction.

200

What is a mixed substance?

A combination of two or more different substances.

200

Name 4 types of solutions?

Solid in a liquid, liquid in a liquid, gas in a liquid, and gas in a gas.

200

What are the three major impacts of environmental resource extraction?

The extraction, processing, and transportation of resources.

300

What are the three states of matter?

Solid, liquid and gas

300

How do you separate salt and water?

Boil/Evaporate

300

What's another name for a mechanical mixture?

Heterogenous mixture.

300

What is the difference between a solute and a solvent ?

A solute is a substance that gets dissolved(like sugar), and solvent is the substance that does the dissolving(like water).

300

This is the name for the bad stuff(like oil or chemicals) that makes or water or air dirty

What is pollution.

400

What are the electrical charges of a proton, a neutron, and an electron?

What is 

Positive (+), Neutral (0), and Negative (-).



400

How do you separate oil and water?

Let the oil go to the top and then pour or skim it off the top.

400

Can you separate a pure substance using a physical method, (like filtering).

No.You can only separate a mixture physically.

400

If you keep adding salt to a glass of water until it starts sinking to the bottom and won't dissolve anymore, the solution is now called this

What is saturated.

400

What are some impacts that cars factory etc have on our environment.

What is release bad gas that remove warm from the planet.

500

This state of matter has particles that are close together but have enough energy to slide past one another, allowing it to take the shape of his container.

What is liquid.

500

This specific method used to separate a mixture of liquids( like alcohol and water) by boiling them and then cooling the steam back into a liquid.

What is distillation. 

500

Can you see different parts in a solution?

What is not. A solution is a mixture that is homogenous.

500

Most solids like sugar dissolve better in hot water. however, this type of matter dissolve  better in cold water , which is soda stays fizzy longer in the fridge than warm counter.

What is Gas

500

if a factory dumps very hot water into a river,it is bad for fish because warm water doesn't have enough of this gas for them to breath.

What is Oxygen.

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