Properties of Matter & Separating Mixtures

A combination of 2 or more substances in which one substance dissolves in another is called-

• a mixture
• a solution 
• a property
• a mess

If I added 27 grams of salt to water and separated the solution by evaporating the water with a hot plate, what amount of salt would be left behind?

• 20 grams

• 0 grams

• 27 grams

• 10 grams

To separate a mixture of salt and water what separation tool/method is used?

• Filter
• Screen
• Magnet
• Evaporation

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

If you spilled iron 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

A mixture of one substance evenly dissolved in another.

• mixture
• property
• density
• solution

Which of the following, if added to water, will change shape?

• salt
• sand
• wood
• glass

Which example below describes a simple mixture where the ingredients maintain their physical properties?

• bucket of saltwater and sand
• peanuts, raisins, and chocolate pieces
• sugar and water
• all of the above

Which list below shows objects in a mixture that could best be separated using the physical property of relative density?

• iron filings and sugar
• large plastic beads and small plastic beads
• quarters and pennies
• plastic buttons and metal buttons

You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?

• pepper, sand, and salt
• salt, lemonade powder, and sand
• salt and lemonade powder
• pepper and sand