1. Mixtures and Solutions
Investigation 1 Part 4
Separating a Dry Mixture

2. Separating a Dry Mixture
Today we will make a dry mixture of gravel, powder, and salt.
Watch as I make my mixture.

3. Separating a Dry Mixture
Your challenge is to design a method to separate this mixture of three solid materials so that the gravel ends up in a G cup, the powder in a P cup, and the salt in an S cup.

4. Let’s read the instructions together
Let’s read the instructions together. Turn to the “Separating a Dry Mixture” page in your folder.

5. Getters: Grab your group’s bin.
Go to the table and make up a dry mixture
Label one of the “G” cups: Dry mixture
Put one 5ml spoon of each of the three dry materials in the cup: gravel, powder, and salt.
Stir the dry mixture

6. Plan your experiment
With your group, decide how you will separate the mixture. Write down a detailed description in Part 2 of the “Separating a Dry Mixture” worksheet.

7. Key Elements Have you designed your method?
Have you separated the gravel?
Have you separated the powder?
Have you separated the salt?

8. Wrap Up Complete Part 3 on the page titled “Separating a Dry Mixture”.
Remove labels from all cups
Gravel into the class cup
Used filter papers in the trash
Rinse cups, if needed.

9. Wrap Up
Getters return bins to front of classroom
No homework!