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

• All of the above

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

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

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

• Filter
• Screen
• Magnet
• Evaporation

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

• dissolved
• evaporated
• carried
• split

Lemonade is a special mixture called a 

• substance
• solution
• plasma
• ingredient

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

• a filter

• a sieve

• evaporation

• your hands

Which one of the following solids is insoluble (not soluble) in water?

• sugar

• sand

• pepper

• salt