American Geosciences Institute
American Geosciences Institute: Earth Science Week: Splish Splash
Students conduct a large-group brainstorming session on the various places where liquid water can be found on Earth. Then they create a list of places, such as oceans, lakes, rivers, aquifers and trace the path the water travels.
PBS
Pbs Learning Media: Young Inventors
In this stills collage adapted from the National Science Teachers Association/Craftsman Young Inventors Awards, see several inventions by students in grades 4-7 and read about some of the challenges they faced during the design process.