Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
Make a quick and easy filter from household materials. A filter will catch any solids suspended in a liquid and filter them out. By using a filter, learners can discover amazing things.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
Source Institutions
Add to list Details
In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes