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Weather: Basic Concepts

Learn how humidity, dew point, wind, visibility, and air pressure affect the weather. Includes hands-on experiments, graphics, movies, and interactive sites. There are links to eThemes Resources on clouds and snowflakes.


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Use these topics with students to present various concepts involving weather.
This page focuses on humidity and dew point. Scroll down for a hands-on activity for measuring the dew point. Click on "Make Your Own Psychrometer" to learn how to measure humidity.
This site has a graphic showing how high pressure moves toward low pressure and creates wind.
Move your mouse over the air pressure graphics and read what happens as the air moves.
Click on "Situation" to read the instructions on what to do. Use the images and maps to make a weather prediction.
Learn about wind and why it's important. Use the links at the bottom for hands-on activities relating to the wind.
Compare the weather at your school with the weather at this California school. See an image from a live Webcam and click on the "real time weather conditions" link for the data.
Choose a temperature and a wind speed, and then click the button to see the calculated wind chill.
This site has links to instructions for making your own weather instruments.
Read about air pressure and then try the different activities on this page. Includes hands-on experiments.
Read these answers from a scientist about air pressure and the dew point.
This site has three ideas for incorporating weather topics into writing assignments.
This is a fun interactive site that explains basic weather terms by using graphics. Terms include wind, visibility, and precipitation. Requires Flash to run the interactive version.
Try this online quiz about the weather.
These sites have general and detailed information on various weather cycles and clouds.
Is it true that no two snowflakes are alike? These sites answer the question as well as discuss how multiple crystals combine to create snowflakes. Also learn why frost forms on the ground. Includes scientific experiments for growing snowflakes, instructions on making paper snowflakes, numerous photos from the man who first captured individual snowflakes on film, and animated movies showing a crystal being formed.

Education Standards


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