Mixtures and Solutions

What tool would be most efficient to separate sand and water?

• sieve or filter
• colander
• hands

• magnet

What tool would be most efficient to separate iron fillings and sand?

• tweezers

• magnet

• filter paper
• sieve

What tool would be most efficient to separate black pepper and water?

• funnel
• magnet
• water

• tweezers

What is the definition of mixture?

• A combination of two or more substances that can be easily separated.

• Allows electricity to flow through

• The ability to dissolve one substance in another substance

• Does NOT allow electricity or heat to go through

What is the definition of solution?

• Two or more substances that can be easily separated

• A solution is a pure substance composed of only one type of molecule.
• Using the five senses to describe matter

• A solution is a mixture in which one substance dissolves in another

Which of the following are an example of a mixture ​ (a)   ​ (b)   ​ (c)   ​ (d)   and ​ (e)  

• Lucky Charms
• Chex Mix
• Skittles
• Salad
• Vegetable Soup.
• Kool-Aid
• Lemonade
• Coffee
• Tea

What are the three characteristics of solutions? ​ (a)   ​ (b)   ​ (c)  

• not easily separated
• objects changed to something else
• one substance is dissolved
• easily separated
• objects keep their properties
• individual parts are visible

What is an example of a solution?

• Lucky Charms

• Iron Filings and Sand

• Legos

• Saltwater

What is an example of a mixture?

• salad
• Tea

• cake
• Lemonade

You would separate salt and water by using _

(a)