mixture and solutions

Mr. Lopez spilled his favorite snack. Is it a mixture or a solution? Why?

• Its a mixture, because it is made up of 2 or more substances that can be easily separated.

• Its a mixture, because it can only be separated with a sieve.

• Its a solution, because it can only be separated by dissolving it in water.

• Its a solution because it can not be separated easily.

A combination of 2 or more substances that can be easily separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

Mixtures are combinations of two materials that retain their physical qualities.

• True
• False

What happens when water mixes with sugar?

• the appearance of sugar changes

• the shape of water changes

• the taste of sugar changes

• the state of water changes

Tags

NGSS.MS-PS1-2

I have a mixture of Wood chips, sand, iron filings, and gravel. Here is a way to separate them:

1. Use a screen to separate the the sand and iron filings from the gravel and wood chips.

What would be step 2?

• Use the screen again to separate the iron filings and the sand

• Use a magnet to separate the iron filings from the sand

• Use a tweezers to pick out the iron filings

• use a filter and water to separate the sand from the iron filings

Which of these mixtures is not a solution?

• lemonade

• sand and water

• Kool-aid

• ocean water

As a whole, this bowl of chicken noodle soup would generally be considered a

• mixture

• solution

Tags

NGSS.5-PS1-4

A cup of coffee would be considered a 

• mixture
• solution

Which of the following is NOT a mixture?

• oxygen

• coins in a piggy bank

• a bowl of lucky charms cereal

• Chex mix

Salt and pepper would be an example of a

• mixture
• solution