MATTER
SOLUTIONS
MIXTURES
SEPARATING MIXTURES
?MYSTERY?
100
What are the three states of matter
solid, liquid, and gas
100
What are all solutions made of?
Solute and solvent
100
What does it mean if a mixture is heterogeneous?
You can see the two parts.
100
How can you separate materials that are heavy from materials that are light?
Using wind, (I will also accept if you wrote a blow dryer)
100
How would you make a solution more dilute?
Adding more solvent (water)
200
Draw how the molecules look in a gas
200
The substance that you are dissolving is called the ______________. (ex: sugar)
solute
200
What does it mean if a mixture is homogeneous
You can not see the different parts of the mixture
200
A way to separate items of different sizes
Sieves
200
What is a manipulated variable
The variable that changes in the experiment
300
What is the process of changing a solid to a liquid
Melting
300
Can solutions be separated? If so, how do you separate them?
Yes! You can separate it by evaporation.
300
Draw an example of a heterogeneous mixture that has two solids. Label the two solids.
There are many examples
300
When is it a good idea to use magnets to separate materials?
When one of the materials is metal and the other is not
300
What is the variable that stays the same throughout the experiment?
Controlled Variable
400
What is the process of a liquid changing to a gas
Evaporate
400
Name three ways to help something dissolve in water
Stirring
Increase the temperature of water
Crush it
400
Give an example of a homogeneous mixture that is made up of one solid and one liquid
Examples:
juice
sugar in water
salt in water
coffee
400
What are two ways you can separate a suspension (ex: sand and water)
Decanting
Filtration
400
Describe condensation
When a gas turns into a liquid
500
Which of the states of matter take the shape of their containers?
liquid and gas
500
What is the Universal Solvent?
Water
500
What is a mixture called when something does not dissolve, and instead settles to the bottom?
Suspension
500
Materials with a higher density will be at the ________________ of a density tower
Bottom
500
What is it called when a solution is so concentrated that you can't dissolve anything else in it.
Saturated