Separation techniques

What you'll learn

1. 1

   Imagine a muddy puddle 🌧️. You want to get the mud out and keep the clean water.

2. 2

   What happens to the mud in a muddy puddle when you leave it to sit?

3. 3

   Drag the sand out of the water using a sieve 🧂 — the sand is too big to fit through the holes!

4. 4

   Let's separate salt from salty water 🧂💧.

5. 5

   Which method would you use to get salt back from salty water?

6. 6

   Now try separating a mixture of iron filings and sand 🧲🏖️.

7. 7

   What tool can separate iron from sand?