Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.

1 cent - $1 per student Ages 6 - 11 1 to 7 days
Source Institutions
Add to list Details
This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes