Determining Hours of Daylight

Starting with questions about the tilt of the Earth and apparent motion of the sun, a worksheet provides instructions on how to figure the paths of the Sun on certain dates. Learners answer three more questions, complete with...

How can December 21 be the shortest day of the year when all days are 24 hours long? Pupils see how to build a model showing the differences between winter and summer solstices and equinoxes. Using this model, classes can then discuss...

Students identify the dates of the solstices and equinoxes and how they relate to the various seasons on Earth. After discussing how the solstice and equinox affect the seasons, students use their bodies to demonstrate the how each...

Winter, spring, summer, and fall—take the learning of the seasons beyond the elementary level to the middle school classroom. Curious learners begin by watching videos about the seasons and the rotation of planet Earth. Then,...

Compare surface temperatures when the solstice occurs in the different hemispheres. Young scientists draw conclusions from their investigation of data collected using spreadsheets and a globe.

Today, June 20, happens to be the first day of summer or summer "solstice." Derived from the Latin words "sol" for "sun" and "sisto" for "stop," it is the day when the North Pole is most inclined towards the sun. As a result, residents...

Snakes and lizards can be very tiny or very long. Your class will get out their rulers to see just how big snakes and lizards can be. They discuss several different reptiles by reading the included animal fact cards, then each small...

What can shadows tell us about the changing season? Over several months, astronomy learners record length and position of an outdoor object's shadow, such as a flagpole. They apply the data to a growing hypothesis and note the...

Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...