Science Buddies
Science Buddies: Radiant Radish Seeds
We all know that plants need sunlight and water to grow big and tall. But did you know that inside seeds are baby plants, and that the fragile baby plant inside the seed needs to be protected? If you've ever had a sunburn, you also know...
CK-12 Foundation
Ck 12: Earth Science: Solar Energy on Earth Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the energy we receive from the Sun. Includes a few questions to check for understanding.