Reversible Changes

What is a mixture?

• A biological compound

• A single pure substance

• A type of chemical reaction

• A combination of two or more different substances

Which is NOT a mixture?

• Saltwater

• Fruit Salad

• Oxygen

• Smoothie

What is a Solution?

• A solution is when you mix something into a liquid, and it looks like it has disappeared

• A solution is when you mix different things together, but you can still see and separate them.

Can solutions or mixtures be separated?

• Yes

• No

Organize these options into the right categories

Groups:

(a) Low Solubility

,

(b) High Solubility

• Sand + Water

• Saltwater

• Oil + Water

• Sugar Water

What does it mean when a solution is saturated?

• The solution turns into a solid

• The solution evaporates completely

• The solution can dissolve more solute

• No more solute can dissolve in the solvent

Which of the following is a solution?

• Sweet tea

• A bowl of cereal

• A pile of sand

• Fruit salad