Particle Theory
When particles get hot what do they do ?
They move faster.
How can sugar and water be separated?
By evaporation.
What is a pure substance made of ?
Gold or water
What is a solute ?
Solute is when it can be dissolved in a solution.
What are mechanical mixtures ?
Mechanical mixtures are unevenly mixed.
What is a particle theory.
Particle theory is all matter that are made up of tiny particles like atoms or molecules and are always moving.
How do you get iron from sand?
By using magnets.
True or false: Mixtures are combinations of 2 or more substances ?
True
What is a solvent ?
Solvent is a liquid.
Name examples of solutions.
Salt and water
Tea and sugar
Lemonade and sugar
True or False particles are far apart from each other.
False
How do you separate salt and water?
By heating up the saltwater to turn the water into vapor leaving the salt by itself.
Is soup heterogeneous or homogeneous.
Heterogeneous
What is a solution ?
Solution is a homogeneous mixture of 2 or subtenses.
True or False: Mechanical mixtures have small particles you can't see.
FALSEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
What is closely packed and doesn't have a fixed shape.
Liquid
What is sifting.
Sifting is separating solids of different solids.
Name at least 3 examples of pure substances.
Gold, iron, aluminum, Oxygen
What does solubility mean ?
The maximum amount of a solute.
What is the difference between solutions and mechanical mixtures.
Solutions are homogeneous
Mechanical mixtures are heterogeneous
What has lots of space and bounces freely?
Gas
Name 5 separation methods.
1. Destalation
2. Evaporation
3. Magnetic separation
4. Manuley
5. Filtration
What is the difference between Pure Substances and Mixtures.
Pure substance only contains one particles.
Mixtures contain 2 or more particles.
What is the difference between Saturated and Unsaturated ?
Saturated is when you have the maximum soulut.
Unsaturated is when you have the minime solut.
Name 10 examples of macnicle mixtures.
Water and Salt,tea and sugar,chocolate chip, cookies,salad,pizza,trail mix,cereal and milk,ice cream with toppings, soda and ice