The Asteroids An article describing the 30,000 pieces of rocky debris between the orbits of Jupiter and Mars...		Types of Snow Distribute an article that explains where snow comes from and discusses different types of snow...
How Old Is the Universe? An article describing how scientists have determined the age of the universe.		The Great White Hurricane An article describing the most famous snowstorm in American history – "The Great White...
Weightlessness and Gravity This hands-on activity explores the concept of gravity.		Weather Terms Test your students' knowledge of weather-related vocabulary with this word list.
Comparing Martian Dust Storms to Earth's Cyclones This science investigation gives students hands-on experience with some principles about air...		Glacial Pressure A hands-on science activity will help students to understand the effects of pressure exerted on...
Bringing the Solar System Down to Earth Students create a scaled-down model of the solar system by calculating the planets' diameters...		Hibernation Report Outline This outline will help students to organize a research project on animals that hibernate.
Bringing the Solar System Down to Earth Students create a scaled-down model of the solar system by calculating the planets' diameters...		World Map (Black and White) Study geography with this outline map of the world.
History of the Calendar Learn about the history and purpose of calendars.		Word Jazz Handout This handout goes with the December 2000 Literature Lessons Newsletter.
Seasons Seasons are caused by the 23.4-degree tilt of Earth's axis, which alternately turns the North...		Weather Conversions Vocabulary Use this vocabulary list with the Weather Conversions lesson.
Lowest Recorded Temperatures Distribute a chart that lists the lowest recorded temperatures in various parts of the world.		New Year's Resolutions The beginning of a new year is a good time to think about changing. Use this writing activity...
Greatest Snowfalls in North America Distribute a chart that lists the greatest recorded snowfalls in North America.		A Tale of Two Cities This teaching guide includes a brief overview of A Tale of Two Cities followed by...