Class Presentation Mixtures & Solutions Shannon Science 8

MATTER is solid liquid gas melts to freezes to evaporates to condenses to anything that has mass and takes up space can be MATTER FACT Water can be found naturally on earth as a solid, liquid, and a gas.

MIXTURES Two or more kinds of matter put together are solutions separated can be by filtration using sieves using magnets floating vs. sinking evaporation sorting distillation chromatography one kind of material dissolves in another made when cannot be separated by filtration which

MIXTURES visible parts no visible parts can have sand and water oil and vinegar iron and sand SOLUTIONS Kool-Aid ® salt and water are called like

How would you separate a mixture of sand and water?

How would you separate a mixture of sand and water? ANSWER: Pour the mixture through a filter. The water will go through the filter leaving the sand behind. ANSWER: Pour the mixture through a filter. The water will go through the filter leaving the sand behind.

How would you separate a mixture of iron and sand?

How would you separate a mixture of iron and sand? ANSWER: Use a magnet to separate the iron from the sand. ANSWER: Use a magnet to separate the iron from the sand.

How would you separate a mixture of salt and water? HINT: Salt and water form a solution. HINT: Salt and water form a solution.

How would you separate a mixture of salt and water? HINT: Salt and water form a solution. HINT: Salt and water form a solution. ANSWER: Heat the water until the water evaporates. The salt will remain. ANSWER: Heat the water until the water evaporates. The salt will remain.

INVESTIGATING SOLUTIONS 1. What is a saturated solution? _________________________________________ _________________________________________ _________________________________________ 2. How can you tell when a solution is saturated? _________________________________________ _________________________________________ _________________________________________ A solution in which no more solid material will dissolve; additional material settles to the bottom. No more material will dissolve in the solution.

INVESTIGATING SOLUTIONS 3. What is solubility? _______________________________________ _______________________________________ _______________________________________ 4. What is meant by the solubility of a material in water? _______________________________________ _______________________________________ _______________________________________ How much of the material dissolves in the water. Solubility is the property that substances have of dissolving in solvents, such as the solubility of salt in water.

INVESTIGATING SOLUTIONS 5. What is a concentrated solution? _______________________________________ _______________________________________ _______________________________________ 6. What is a dilute solution? _______________________________________ _______________________________________ _______________________________________ A solution containing a small amount of material dissolved in a large amount of liquid. A solution containing a large amount of material dissolved in a measured amount of liquid.

Which is a saturated solution? A B How do you know?

Which is a saturated solution? A B No more material will dissolve in solution A.

A B How do you know? Which is a concentrated Kool-Aid ® solution?

A B Solution A is darker in color than Solution B.

Note: A and B have the same volume. Which is a dilute saltwater solution? A B 125 g 100 g How do you know?

Which is a dilute saltwater solution? A B 125 g 100 g Solution A has less mass than Solution B.

Student Handouts Mixtures & Solutions Grade 5 Written by Renee Valentine for Walled Lake Schools

MATTER is can be

MIXTURES are can be by made when which

MIXTURES can have are called like

INVESTIGATING SOLUTIONS 1. What is a saturated solution? ___________________________________________________________________________________ ___________________________________________________________________________________ 2. How can you tell when a solution is saturated? ___________________________________________________________________________________ ___________________________________________________________________________________ 5. What is a concentrated solution? ___________________________________________________________________________________ ___________________________________________________________________________________ 6. What is a dilute solution?___________________________________________________________________________________ 3. What is solubility? ___________________________________________________________________________________ ___________________________________________________________________________________ 4. What is meant by the solubility of a material in water?___________________________________________________________________________________