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What is a mixture?
A mixture is a combination of 2 or more substances.
Define filtration
The process of separating substances with a filter
Define evaporation
Is the change from a liquid into a gas
Define condensation
is the process of a gas changing into a liquid
What process could you use to separate lemon seeds from lemon juice in a mixture?
sieve or filtration
How could you separate safety pins from sand?
magnet
How could you separate sand from water?
by filtration
How could you separate the marbles from a mixture of sand and salt?
If table salt and sugar are mixed together, what will be two physical properties of the mixtures?
The mixture will have white crystals and will taste both sweet and salty.
How could you separate water from sand?
By evaporation
in a salty water, what is the solvent?
water
What is the solute and the solvent in a solution of sugar water?
solute: sugar
solvent: water
Why can't you see the separate particles of a solute in a solution?
Because the solute has broken into very small particles.
Why does sugar dissolve more quickly in hot water than in cold water?
Solubility varies with temperature. Raising the temperature of the solvent can speed up the process of dissolving the solute.
Why would grinding a solute allow the solute to dissolve more quickly?
Grinding the solute allows more of the solute to be in contact with the solvent, allowing the solute to dissolve faster.
What is solubility?
IT is the ability of one substance to dissolve in another.
What is the difference between a solute and a solvent?
A solute is the substance that dissolves. A solvent does the dissolving.
How could you separate the mud?
filtration to separate the large particles, and then evaporate the water so dirt is left.
How are a solute and solvent alike and how they are different?
Both are part of a solution. A solute dissolves in a solvent.
What do we call the water on the outside of a cool glass of water on a warm day?
condensation