Red
Water and sugar is a:
a.) solution b.) suspension
Solution
True or False: Sand is insoluble
True
Can you mix gases?
Yes you can mix gases
Give one example of a mixture
Soda, Soup, Seawater, Riverwater...
No the rocks do not dissolve
What gas are the bubbles in soda made out of?
True or False: Temperature impacts solubility
True. Things dissolve faster in hot liquids
Does soda become less bubbly at warmer temperatures?
Yes, drinks lose carbon dioxide when the liquid is warm
What is considered a universal solvent?
Water
Flour and Water is a _____.
a.) solution b.) suspension
Suspension
What is a solute?
Any substance that dissolves is called a solute.
What is a soluble solid?
Something that can be dissolved in a solvent (like salt in water)
What is an insoluble solid?
Something that does not dissolve in liquid
What is solubility?
The measure of how easily a solute can dissolve in a solvent
What is a suspension?
A mix of tiny solid particles floating in a liquid
What is a solvent?
The liquid that something is dissolved into
If you had sand in water, what is a good method of separating the salt and water?
if you had salt dissolved in water and wanted to separate them, how would you do this?
Set the salt water in the sun, wait for the sun to evaporate the water until you have only salt remaining
Is dissolving a reversible mixture?
Yes because we can separate the solvent and the solute using evaporation
What is this solution called: mixture of water, salt, and sand
Seawater or Oceanwater
If i mix chocolate powder into my milk, what is the solute and what is the solvent?
Solvent: Milk
Solute: Chocolate Powder
Does sugar dissolve faster in hot coffee or iced coffee?
Hot Coffee
Why do we keep soda in the fridge?
So it stays bubbly. If we left it outside it would get hot and lose carbon dioxide
Does sugar or salt dissolve more easily in water?
Sugar
What gases make up the mixture we call air?
Nitrogen, oxygen, carbon dioxide, hydrogen