Students identify and interpret the value of the dragonfly as a predator of the mosquito. They create their own folktales using the dragonfly or a creature of their choice to solve the malaria problem or another issue. Students also...

In this heat learning exercise, students determine the heat gained or lost when matter changes phases. Students review the energy flow through ecosystems by comparing trophic levels and food webs. This learning exercise has 10 fill in...