Frogs Losing Ground
Students explore an exhibit through an interactive program on frogs. They can listen to the different sounds frogs make and the different types of frogs. They search for the types of frogs they find in their local area.
6th - 8th Science 3 Views 6 Downloads
Using Environmental Models to Determine the Effect of Acid Rain on an Ecosystem
Demonstrate to your middle school science learners how chalk breaks down in a weak acid. Discuss what affects acidic rain might have on ecosystems. Lab groups then choose one of two questions: "How does acid precipitation affect an...
7th - 8th Science