Mixture Separation

Which tool or technique would best separate a mixture of gravel and sand?

• Sieve

• Paper filter

• Magnet

• Evaporation

A mixture of pencils and pens can be separated easily because both pencils and pens-

• are magnetic.

• cannot pass through a sieve.

• are solid.

• can be evaporated.

Which of the images shows a solution?

• 
• 
• 
• 

Tags

NGSS.5-PS1-4

A saltwater solution can be separated easily because-

• salt evaporates when boiled, leaving behind water.

• salt can be removed from the solution using tweezers.

• water evaporates when boiled, leaving behind salt.

• water passes through a sieve, leaving behind the salt.

Tags

NGSS.MS-PS3-4

Four mixtures are listed below. 1. Grapes and water 2. Sugar and water 3. Grapes and blueberries 4. Blueberries and water Which of the mixtures can be separated using a kitchen strainer?

• Mixture 3 only

• Mixture 2 only

• Mixtures 1 and 4 only

• Mixtures 1, 2, and 4 only

The table lists the ingredients of four mixtures.

Which mixtures CANNOT be separated by pouring the mixture through a paper filter? (Select 2)

• Mixture 1

• Mixture 2

• Mixture 3

• Mixture 4

Tags

NGSS.MS-PS1-2

The table lists the ingredients of four mixtures.

Which mixture cannot be separated by pouring it through a paper filter?

• Mixture 1

• Mixture 2

• Mixture 3

• Mixture 4

Three mixtures are listed. Which of the mixtures can be separated by placing the mixture in a beaker of water?

• Mixture 1 because corks float in water and ping pong balls sink

• Mixture 2 because plastic beads float and glass beads sink

• Mixture 3 because iron nails and gravel both sink in water

• Mixture 1 because corks and ping pong balls both float in water

A combination that can be separated by physical processes is a .....

• Pure Substance

• Glucose

• Element

• Mixture

Which one of these pictures represents a pure substance?

• 1 and 2

• 1 and 3

• 2 and 3

• 1, 2 and 3

Tags

NGSS.MS-PS1-1