Solutions and Mixtures

The mixture shown here -

• Maintains its physical properties when combined

• Dissolves after being stirred together

• Will evaporate after a certain period of time

• Cannot be separated into ingredients

A combination of two or more substances where each keep their own properties

• Mixture
• Solution
• Substance
• Solute

A mixture of one substance dissolved evenly in another

• Substance
• Mixture
• Sieve
• Solution

Which answer best shows a mixture that is not a solution?

• 
• 
• 
• 

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter

• Screen

• Magnet

• Evaporation

Which answer best describes the easiest way to separate a mixture of iron filings and dirt?

• Pick the iron filings out by hand

• Put the mixture in water

• Use a magnet

• Boil the mixture

All of these can be easily separated EXCEPT --

• nuts, bolts, and screws

• powdered drink mix, sugar, and water

• sand and water

• iron filings and sand

Which of the is NOT soluble in water?

• Oil

• Salt

• Honey

• Sugar

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

• Rocks

• sugar

• pepper

• sand

Sugar dissolved in water is an example of a

• Solution

• Mixture