Mixtures and Solutions

A combination of rocks and water is an example of

• A mixture
• A solution 
• Dissovling

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

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

Tags

NGSS.MS-PS1-2

Lemonade is a special mixture called a 

• substance
• solution
• plasma
• ingredient

What is a mixture?

• A mixture is a combination of two or more substances

• A mixture is always a solution.

• A mixture is a single pure substance.

• A mixture is always a solid mixed with a liquid.

Which of the following is a SOLUTION?

• Peas and carrots

• Salt and pepper

• Rice and beans

• A cup of tea

What is a SOLUTE?

• The substance being dissolved

• The substance that does the dissolving

What is a SOLVENT?

• The substance being dissolved

• The substance doing the dissolving

Mrs. McMurrough created a mixture of shells and iron fillings. The BEST tool to separate this mixture would be...

• A bar magnet

• Her hand

• Tweezers

• A vacuum cleaner

Mrs. Hoover stirred together salt and water. She observed the salt particles dissolve. She created a...

• Solution

• Mixture

• Solid

• Monster

Tags

NGSS.MS-PS1-2