REVIEW LESSON 2

You and your teammate have a disagreement about whether salad is a mixture or a substance.  You say it’s a mixture and your teammate says it’s a substance.  Who is correct? Why? 

Read this passage with your elbow partner. "A" will tell "B" what the passage is about. "B" will repeat what "A" said and may add more facts that "A" might omit. (Who will share first? A or B?)

A model helps scientists study the real world. Do you agree with this statement? Yes or No

• No

• Yes

Tags

NGSS.MS-ETS1-4

A mixture like a bowl of salad is made up of more than one molecule. Is it true or false?

• false

• true

Tags

NGSS.MS-PS1-2

Is chromatography a technique or method used to separate what?

• substances

• mixtures

• solution

• molecule

Tags

NGSS.MS-PS1-2

In paper chromatography, the food coloring or marker separated into different dyes because----

• It is a mixture with different molecules that have different weights

• It is a solution that has only one molecule.

Tags

NGSS.MS-PS1-2

Draw and explain what you see in this image

Tags

NGSS.MS-PS1-2

Identify the SOLVENT in this chromatography test

Is water a MIXTURE or a SUBSTANCE?

• mixture

• substance

Tags

NGSS.MS-PS1-1

Is CONCRETE a mixture or a substance?

• mixture

• substance

Tags

NGSS.MS-PS1-3