Mixtures and Solutions

A combination of 2 or more ingredients where each keep their own physical properties and can be easily separated.

• solution
• dissolve
• mixture
• saltwater

The part of a solution that dissolves.

• mixture
• solute
• solvent
• liquid

A science class performed an investigation by evaporating a solution containing 10g of salt and 50ml of water.  How much salt would you expect to find in the cup at the end of the investigation?

• 60g
• 50g
• 10g
• 5g

Tags

NGSS.MS-PS1-2

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

• flour

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

• sand and salt

• salt, lemonade powder, and sand

• salt and lemonade powder

• lemonade and sand

Tags

NGSS.MS-PS1-2

The liquid a substance dissolves in

• solute

• solvent

• mixture

• 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

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

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

• Filter
• Screen
• Magnet
• Evaporation

Solutions are a type of mixture.  What makes solutions different from other mixtures is....

• The elements in a solution react to compounds
• One substance dissolves in the other
• Two or more substances are combined
• There is a chemical change when combined

When we put a substance in water and stir it to see if it dissolves we are testing for_______________________.

• Relative Density
• Solubility
• Mass
• Temperature

Tags

NGSS.MS-PS1-2