4.5B Mixtures and Solutions

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

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.

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

Tony added sugar to water and stirred until the sugar dissolved. How can he separate the water and sugar once the sugar has dissolved?

• With a magnet

• By evaporation

• With a sieve

• He can't separate it once it's combined

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

Tags

NGSS.MS-PS2-5

What property of water changes after dissolving sugar in the water to create a solution?

• Temperature

• Shape

• Taste

• State of matter

Tags

NGSS.MS-PS1-2