Student Activity: Using a Mariner’s Astrolabe

An astrolabe illustrates how the sky looks at any given time of day and throughout the year. This is accomplished by drawing the sky (star patterns) on the astrolabe with moveable parts to adjust for the date and time. The traditional sky map astrolabe allowed people...

Teacher Demo: What Makes Up a Planet?

The International Astronomical Union classifies solar system bodies into three categories: planets, dwarf planets, and small solar system bodies (including comets, asteroids, and meteoroids). There are eight planets in the solar system with two distinct groupings. The...

Teacher Demo: The Importance of Safety Goggles

Although all students know that it is essential to wear safety goggles during many science investigations, it can be helpful to provide a powerful demonstration showing why this is so important. This quick and easy demonstration can illustrate the necessity of...
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