Pure Substances
What is Matter?
Matter is anything that has volume and takes up space.
What technique is the process of turning liquid into vapor or gas.
Evaporation
Give two examples of a Pure Substance.
Water & Pure Salt
What are the two main types of mixtures?
Heterogeneous (mechanical) & Homogeneous (solution)
True or False: All matter is made up of large particles.
False - Matter is made up of TINY particles.
Define Solution.
a mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
_____________ is the method in which the property of size is used to separate mixtures (bigger substances cannot pass).
Sifting
How many types of particles are in a Pure Substance?
One!
True or False: Particles attract each other, so they tend to stay together rather than fly apart.
True!
Define Solute.
What is Magnetism?
Use of a magnet to separate magnetic material from nonmagnetic material.
What is this unit called?
Pure Substances and Mixtures.
Particles move ______ and spread farther apart when they are heated
Faster
Define Solvent.
The larger component of a solution that is able to dissolve other substances.
When drinking water, you might use this item, which acts as a physical barrier that can block or trap debris (for example sand) and sometimes bacteria from passing through.
Water filter.
What separation techniques do we use on pure substances?
We don't!
What do you get when you combine a solute and a solvent?
You get a solution.
Even though you cannot see them, particles are _______ _________ all the time.
Moving Randomly
Define Solubility.
the ability to be dissolved
How is maple syrup made?
The sap is taken from trees and then put through a reverse osmosis machine and heated up to remove 80% of the water and concentrate the sweetness. It then gets filtered with a powder called "diatomaceous earth" and is then sifted to seperate it once again.