Separating Mixtures
Vocabulary
Real World Examples
Miscellaneous
Mixed Review
100
A mixture formed when one or more substances dissolves in another.
What is a solution?
100
When a solid disappears in a liquid.
What is dissolved?
100
If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
What are magnets?
100
The best way to separate a solution.
What is evaporation?
100
What is a solution?
A. A type of solid
B. A mixture where one substance dissolves in another
C. A gas
D. A group of solids
B. A mixture where one substance dissolves in another
200
Two or more substances stirred together.
What is a mixture?
200
Water in its gas state.
What is water vapor?
200
Johnny was making Kool-Aid and noticed that it was way too concentrated. What should Johnny do to help dilute his Kool-Aid?
What is add water to his solution?
200
Give an example of a solution and include the ingredients that make up the solution.
Many possible answers.
200
Which of these is an example of a solution?
A. Oil and water
B. Sand and iron filings
C. Salt dissolved in water
D. Pebbles in a jar
C. Salt dissolved in water
300
Why doesn't filter paper work in separating solutions?
What is the dissolved particles are too small and go right through the holes in the filter paper?
300
A solid substance added to a solvent that will dissolve to make a solution.
What is a solute?
300
What is C, ice cubes and lemon slices?
300
In a solution, the substance that makes up the larger part is called the _______________.
What is the solvent?
300
What does it mean to "dissolve"?
A. To heat something until it melts
B. To change color
C. To break into tiny parts and mix evenly in a liquid
D. To freeze
C. To break into tiny parts and mix evenly in a liquid
400
Name three ways a mixture can be separated.
What are screens, filters, magnets, evaporation, etc?
400
A substance in which a solute dissolves to form a solution.
What is a solvent?
400
The mass of the solution in the balance is one of the answers listed below. Using the picture of the balance, the mass of the solution must be _____.
A: 50 g
B: 80 g
C: 70 g
D: 0 g
What is B, 80 g?
400
Which of the following is NOT an example of a solution?
A. sweet tea
B. coffee
C. Trail Mix
D. Kool-Aid
What is C, Trail Mix?
400
the process where a liquid turns into a gas, which happens when molecules gain enough energy to escape the liquid's surface
Vaporization
500
These are made by evaporating a solution, their shape can be used to identify the solid material in the solution.
What are crystals?
500
A quantity of matter
What is mass?
500
A student makes two solutions. Solution 1 = 50 mL of water and 24 g of solid. Solution 2 = 100 mL of water and 12 g of the same solid. She puts the two cups on either side of a balance to find out which solution is more concentrated.
What is wrong with this student’s procedure?
What is the student needs to have equal volumes of each solution in order for it to be a fair test to see which one is more concentrated.
500
Susan made a dry mixture of pebbles, flour, and Epsom Salts. She added 50 ml of water to the mixture. She wants to separate the materials in this order: first pebbles, second flour, and last Epsom salts. What order is the best way to do this?
What is screening, filtering, then evaporating?
500
the process of a substance changing directly from a solid to a gas, skipping the liquid phase
Sublimation