Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes