Filtering - Science Museum of Minnesota


	Filtering

Make a filter:
A filter will catch any solids suspended in a liquid and filter them out.
By using a filter you can discover amazing things.
You will need:
scissors, paper towel, funnel, pencil

1. Fold paper towel sheet in half.
2. Fold in half again.
3. It should look like this.

4. Trace a curved line like the one above.
5. Cut along the line.
6. It should look like this.

7. Open it.
8. Number the sections.
9. Fold it up again.

10. Open the folds to numbers 1 and 2.
11. Put into funnel.
12. Start filtering something.

How can you make other inexpensive science inquiry tools? See the Tools for Investigation cluster for more ideas.

That makes me think . . . (11k)

What would you see if you filtered a mud puddle? What about a glass of Kool-aid? How could a filter separate different sized particles? What other kinds of filters can you think of?

Yellow dot (9k) Get out of my whey

Need a funnel?

Shifting sands

Gathered by topic

Connected together

Index of ideas


What would you see if you filtered a mud puddle? What about a glass of Kool-aid? How could a filter separate different sized particles? What other kinds of filters can you think of?
Get out of my whey
Need a funnel?
Shifting sands