4th Grade Resources

Sections


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Watershed
Mountains in the mist
The Water Cycle, Groundwater, and Streams
The water cycle
  • Page: “Where is Groundwater?” on Geography4Kids.
  • Documentary: “Forests for Life” by the Hawaiʻi Department of Land and Natural Resources. Individual segments are viewable in shorter clips.
  • Page: “Hawaiian Streams” from the Division of Aquatic Resources.  Be sure to check out the links on the side for more detailed look at stream topics!
Studies in Hawaiʻi
Aihualama Waterfall
Invasive Species
  • Page: “Strawberry Guava” from the US Forest Service. Strawberry Guava is another highly invasive species in our state.  Not only is it bad for our native forests, it’s also bad for our watershed! Learn more about this tree and one way the state is looking into controlling its spread through biological controls.
  • Page: “Introduction – Stream Animals: Alien Species” on the Atlas of Hawaiian Watersheds and Their Aquatic Resources. Read about invasive species in streams around our state.
  • Page: “Albizia FAQs” from the Big Island Invasive Species Committee. Albizia is a highly invasive tree on Oʻahu as well as the Big Island, and the story of Albizia closely linked with the story of our watershed. Learn more about Albizia on this page.
Agriculture and Erosion