Curated OER
Do Some Research - Tides
In this science research worksheet, students use the library or Internet to determine what the regular changes in the level of water caused by the moon's gravity is called. They write the answer on the blue line, write a short essay...
Society for Science and the Public
Science News for Students: Watching Our Seas Rise
Ocean levels are increasing around the world. Find out why this type of climate change has scientists concerned.
![U.s. Geological Survey: Streamgages Measuring Pulse of Our Nation's Rivers [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "U.s. Geological Survey: Streamgages Measuring Pulse of Our Nation's Rivers [Pdf] Handout")
US Geological Survey
U.s. Geological Survey: Streamgages Measuring Pulse of Our Nation's Rivers [Pdf]
General information on the importance and use of a streamgage to measure and record the water level in a river.