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This is a lesson plan for an activity illustrating the reasons for the seasons. Learners predict sunrise, noon, and sunset positions on the dates of the equinoxes and solstices, observe these positions in a planetarium, plot their data on graphs,... (View More)

This is an activity about seasonal variations in day length. Learners will graph the number of daylight hours in each month in cities around the world and compare results. They will also gain an understanding of the meaning of the term equinox... (View More)

Audience: Middle school
Materials Cost: Free per student

This is an activity about identifying and comparing the Earth’s seasons. Learners will write paragraphs depicting scenes or events that have recognizable season-related elements, without revealing the intended name. The group will then play a game... (View More)

This is an activity about the planet Mars. Learners will create cratered surface models illustrating different lengths of time. Then, they will compare their models with three different surface images of Mars, placing these images in order from... (View More)

This is an activity about using large numbers in astronomy. Learners will first estimate how long it would take to count to a billion, if it was a full-time job. Then, they will judge their estimates using a calculator to get a more definitive... (View More)

This is a lesson plan for an activity about the changing horizon positions of sunrise. Learners will predict horizon positions of sunrise on several dates throughout the year and plot monthly azimuth data on a graph using data from Stonehenge. In a... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about sampling specifically in astronomy. Learners will make a sampling window in order to estimate the number of stars in the sky visible to the unaided eye. After, they will discuss how to estimate the effect of different... (View More)

This is an activity about the Earth's revolution as it relates to the zodiac. Learners will role-play, acting as the revolving Earth and Sun, while others will hold signs of the 12 zodiac constellation names to form a circle around the Earth-Sun... (View More)

This is a lesson about volcanic activity. Learners will make volcanic eruptions using baking soda and vinegar, and then use colored play dough to make a record of the flow patterns. Then, groups of learners exchange their volcanoes so they can make... (View More)

In this activity, learners will discuss possible reasons for the seasons, create a list of suggested factors, test these factors in research groups, and report their findings in a symposium format. This is Actividad 2.7 as part of El Universo a Sus... (View More)