Vocabulary
Two or more substances put together
Mixtures
A mixture is 2 substances that can be easily _____
separated
True or false, dissolving and evaporation are the same.
False
Bob has 100mg of salt that he dissolves in 100mg of water. Bob thinks the salt disappears. Is he correct?
No, it dissolved
What are 2 properties we can use to separate mixtures?
Examples: size, color, magnetism
A special kind of mixture
Solution
Example: trail mix contains:
peanuts, raisins and M&M's
How can it be separated
Hands/tweezers
TRUE OR FALSE:
Solutions are mixtures in which the substances are evenly mixed throughout
TRUE
Bob wants to prove the salt is still there, what properties of the salt remain?
Taste and Mass
What are two methods we can use to separate mixtures?
Examples: Magnets, evaporation, strainer, filter paper, tweezers, fingers, etc.
The one being dissolved ( salt)
What is the Solute?
Gravel and Sand can be separated using a
Sieve/ Sifter/ Strainer
The two parts of a solution.
What are the solute and solvent?
Bob wants to prove the salt is there even though he cant see it. How can he do this?
If you wanted to separate salt from water, what would you do?
Use evaporation
The substance doing the dissolving
Solvent
True or false?
All solutions are mixtures, but not all mixtures are solutions
What is True?
When Kool-aid powder is mixed with water, what is the solute?
Kool-aid powder
Bob wants to separate the salt from the water? How can he do this?
Evaporation
How would you separate iron filings from sand?
Use a magnet
The ability to completely dissolving forming a new substance
Soluble
The Properties are maintained when two different components are put together.
What are mixtures?
Solutions are made up of
What is the law of conservation
Matter can not be created or destroyed only changed
What would be the best method to use to separate a mixture of sand and gravel?
A sieve