American Geosciences Institute
American Geosciences Institute: Earth Science Week: Look Up! Observing Weather
To get a better idea of how meteorologists make weather predictions, students will begin their own weather journals and make rain gauges.
PBS
Pbs: Rough Science: Weather Station
PBS asks users to imagine that they are in the tropics and need to get a reliable weather forecast. It provides instructions on how to build a wind vane, construct a compass, make a barometer and find the dew point.
Bill Nye
Bill Nye: Barometer in a Bottle
This tutorial by Bill Nye explains how to make a simple barometer using a jar and a balloon. The barometer is an old and accurate first look at predicting the weather by examining the pressure of the atmosphere. Discover how atmospheric...
McGraw Hill
Glencoe Publishing: Practicing Scientific Processes
This site from Glencoe Publishing not only explains hypothesis but also tells how to design an experiment to test your hypothesis. Includes the difficult task of "Separating and controlling variables."