NOAA
Your Own El Nino
Scholars make a model to discover how the force of trade winds over the Pacific Ocean creates an El Niño. Super scientists observe how the severe weather affects life in water and on land.
Clean Up Australia
Why are Batteries Harmful to the Environment?
Open this lesson plan by reading together about primary and secondary batteries (such as nickel-cadmium cells), problems they can cause in the environment, and how humans can minimize the damage. Afterward, little ones examine a...