4.6BC Mixtures

Tonya and Lori combined paperclips and nails together.

What is this combination considered?

• Mixture

• Solution

• Elements

• Volume

Which two substances form a solution and can be separated by evaporation?

• Sugar and sand

• Sand and water

• Salt and water

• Sand and pepper

A solution is

• two or more substances that can easily be separated.

• two or more substances that can be separated with a magnet.

• two or more substances that combine evenly by dissolving.

• only used in math.

Kate wants to separate a mixture of wet sand and pebbles. What tool would be the best choice?

• Magnet

• Sieve

• Fingers

• Tweezers

Mrs. Ball's class was given the task of separating iron filings from pepper. What tool would be the best choice?

• Sieve

• Tweezers

• Fingers

• Magnet

Tags

NGSS.3-PS2-4

NGSS.5-PS1-3

Ken is making lemonade and is unsure if the lemonade powder will dissolve in the water. What advice could you give Ken?

• The powder will dissolve because lemonade is a solution.

• The powder won't dissolve because lemonade is a mixture.

• The powder won't dissolve because lemonade is a solution.

Tags

NGSS.MS-PS1-2

Scot's mom gave him a snack of popcorn and chips in a bag. What did his mom pack him?

• A solution

• A separation

• A liquid

• A mixture

Which mixture can be separated with a magnet?

• Plastic cups and paper cups

• Aluminum cans and steel cans

• Wooden blocks and plastic bowls

• Pencil lead and rubber erasers

Which process would be best to use to separate a solution?

• freezing
• condensation
• evaporation
• melting

Which example below is an example of a simple mixture where the ingredients maintain their physical properties?

• sugar and water
• ocean water and sand
• trail mix