Mixtures and Solutions

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

Tags

NGSS.MS-PS1-2

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

• solution
• dissolve
• mixture
• saltwater

The process of a liquid turning into a gas when heat is added.

• condensation
• melting
• evaporation
• freezing

Tags

NGSS.MS-PS1-4

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

What tool can you use to separate a mixture of sand and water?

• hands
• filter
• tweezers
• craft stick

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

Sand and gravel may be separated from each other through using..

• a filter funnel

• a sieve

• an evaporating basin

• a distillation

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

What are mixtures?

• different materials placed together but keeping their own properties

• a mixture in which substances spread out evenly and will not settle

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

• the substance in a solution that has the least amount

What is solubility?

• different materials placed together but keeping their own properties

• a mixture in which substances spread out evenly and will not settle

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

• the substance in a solution that has the least amount