Search Results


Showing results 21 to 22 of 22

Add to list Details
In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

$5 - $10 per group Ages 4 - 6 45 to 60 minutes