Thinking Fountain image (17k)Thinking Fountain text (10k)

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

Filter activity image (9k) Filter activity image (9k) Filter activity image (9k)

1. Fold paper towel sheet in half.
2. Fold in half again.
3. It should look like this.
Filter activity image (9k) Filter activity image (9k) Filter activity image (9k)

4. Trace a curved line like the one above.
5. Cut along the line.
6. It should look like this.
Filter activity image (9k) Filter activity image (9k) Filter activity image (9k)
7. Open it.
8. Number the sections.
9. Fold it up again.
Filter activity image (9k) Filter activity image (9k) Filter activity image (9k)
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.


Tools for Investigation (9k)

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

Yellow dot (9k) Need a funnel?

Yellow dot (9k) Shifting sands



Gathered by topic
Mind maps (9k)
Connected together
A to Z button (9k)
Index of ideas
Search
Search

Science Learning Network / ©1995 Science Museum of Minnesota