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Science

• 601
• Rainbows
• Gives an explanation of rainbows and how they occur.

• 602
• Weather Photography
• Many photographs of colourful rainbows from the Australian Severe Weather Photography collection.

• 603
• What is a Rainbow?
• Where older students can learn about "one of the most spectacular light shows observed on earth."

• 604
• Why are There Rainbows?
• Physics explanation of rainbows.

• 605
• NWS Winter Weather Awareness
• Lists information about how to handle winter weather situations.

• 606
• The Electronic Passport to Seasons
• A basic description of seasons with a diagram.

• 607
• The Four Seasons
• Includes games, coloring pages, crafts, and stationery for each of the four seasons. From PrimaryGames.com

• 608
• The Seasons
• A description of the seasons, and common misconceptions about what causes them.

• 609
• Why Leaves Change Color
• From the SUNY College of Environmental Science and Forestry, an article explaining what happens when leaves change colors in the Fall.

• 610
• Winter Storms
• Try out Scholastic's Interactive Weather Maker and learn how the wind chill factor works.

• 611
• Ice and Snow
• Learn about ice and snow from researchers in Antarctica.

• 612
• Snow Crystals
• A complete guide to the science of snow crystals. Find out who did the first systematic study in 1954 and how such beautiful, symmetric shapes are formed.

• 613
• Snow-Ice Photo Gallery
• Contains several images of snow and ice near Niagara Falls.

• 614
• Australian Government - Bureau of Meteorology
• Instructions for students how to measure wind speed with minimal equipment and surprising accuracy.

• 615
• Forces and Winds: Online Meteorology Guide
• Describes in detail what causes wind, the different kinds of wind, and the friction the Earth causes.

• 616
• Weather Whiz Kids: Wind
• Explain the jet stream, global wind patterns, plus land and sea breezes.

• 617
• What Is Wind?
• Explains what wind is, and gives the fastest wind speed ever recorded.

• 618
• Where Does the Wind Come From?
• Explains how differences in air pressure can cause the wind. [PDF]

• 619
• Budgerigar
• Wikipedia article explains how this bird is related to parakeets, where they live, what they look like, what they eat, and where their name comes from.

• 620
• Melopsittacus undulatus (Budgerigar)
• Learn what budgies look like, what they eat, where they nest, and how they act.