Instantly converts length, area, volume, weight, temperature,fuel efficiency and power. Includes US customary and metric system. Helpful site for measurement unit.
Animated video that explains the importance of coral reefs in the food web. Narrated by Celine Cousteau, the video is ideal for school kids and an great tool for teachers to introduce them to ocean biology, environmental issues and social activism.4.1.B.a; 4.1.B.c; 4.1.D.a; 4.2.A.a
Very intriguing site listing live statistics including world population, species extinct, forest lost, forest replanted and an oil depletion timer. Click on Population Counters (globe on the right) to see the populations on each continent as the globe slowly spins around. Very cool!
These are absolutely amazing. Until my students first watched a school of these "pooping clouds of sand" over the reef, I don't think they truly believed that a significant percentage of the white sand on coral beaches originated in the digestive tract of a parrotfish.