Curated OER
Playing in mud puddles
Students examine the effects of rainfall on different surfaces and discuss water pollution. They review the water cycle and the uses of water in daily lifestyles. Students discuss the effects of soil run off in streams and rivers.
Science Buddies
Science Buddies: Burning Biofuels: Comparing Nonrenewable and Renewable Fuels
Will using agrofuel offer a substantial alternative to using fossil fuel? With this experiment you can compare the amount of heat energy released by agrofuel and fossil fuel. The Science Buddies project ideas are set up consistently...
Curated OER
Science Kids: Science Images: Motor Oil
A glass jar is filled to near capacity with motor oil. The photo looks down from slightly above as the jar of motor oil sits on the table.