Mixtures and Solutions

A combination of rocks and water is an example of

• A mixture
• A solution 
• Dissovling

A combination of 2 or more substances that cannot be easily separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

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-PS1-3

NGSS.5-PS1-4

Salt dissolves in water like ----

• Pepper dissolves in water
• Sugar dissolves in water
• Rocks dissolve in water
• Seeds dissolve in water

Tags

NGSS.5-PS1-1

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

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

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

• a filter funnel
• a sieve
• an evaporating basin
• a distillation

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

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

• hand separation
• Screen
• Magnet
• Evaporation

A solution is a mixture of one or more substances _________ evenly into another substance.

• dissolved
• evaporated
• carried
• split

Tags

NGSS.5-PS1-4