Mixtures & Solutions

What makes a solution different from a mixture?

• Its the same, no difference

• A solution must be separated by evaporation

• A solution is separated by a filter

Combination of two or more different kinds of substances that keep their own physical properties and can be easily separated.

• Solution

• Mixture

• Solubility

• Miscibility

Tags

NGSS.5-PS1-4

This is an example of a

• Solution

• Mixture

Tags

NGSS.5-PS1-4

This is an example of a

• Solution

• Mixture

Tags

NGSS.5-PS1-4

Why does ice float in water?

• It is less dense than liquid water

• It is more dense than liquid water

• It has no density

Sugar dissolved in water is an example of a

• Solution

• Mixture

Tags

NGSS.5-PS1-4

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

• 20 grams
• 0 grams
• 27 grams
• 10 grams

Tags

NGSS.5-PS1-2

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

• 20 grams
• 0 grams
• 27 grams
• 10 grams

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate
• Mix them with water, pour the mixture through a sieve, then let the water evaporate
• Heat the sand and salt mixture for 5 minutes, then let it cool
• I would not do any of these because none of these options would work

Tags

NGSS.3-5-ETS1-2

Which of the following is NOT a mixture?

• sand, salt, and rocks in a bucket
• trail mix made with dried fruit,
  nuts, chocolate drops, and
  pretzels
• water in a glass
• rocks and sand in the ocean

Tags

NGSS.5-PS1-4

NGSS.5-PS1-3