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# Technology Through Time: Ancient Astronomical Alignments

This is an online set of information about astronomical alignments of ancient structures and buildings. Learners will read background information about the alignments to the Sun in such structures as the Great Pyramid, Chichen Itza, and others.... (View More)

Audience: Middle school, High school, Informal education
Materials Cost: Free

# What is a Year?

This is an activity about the motion of the Earth around the Sun. Learners will act out the motions of Earth as it orbits around the Sun over the course of one year, starting with modeling one day, then one year, and finally the months.

# Graphing the Globe

This is an activity about the relation between day length and temperature. In one team, learners will create and analyze a graph of hours of sunlight versus month of the year for a number of latitudes. In another team, learners will graph... (View More)

# Light, Directly

This is an activity about the concept of direct versus indirect sunlight. Learners construct and use a sun angle analyzer to investigate the effect of angle on area illuminated. The fraction of light on each square of the analyzer is then calculated... (View More)

# Slideshow for the Sun in Time

The images and information in the slide show presentation are designed to give learners a better understanding of how ancient cultures observed and interpreted the apparent motions of the Sun in the sky, as well as modern studies of the Sun using... (View More)

# Measuring Time

This is an activity about the measurement of time. Learners model the rotation of Earth over one day by holding a flashlight for the Sun and a blow up globe, and record their observations. Then, they use those observations to create devices that... (View More)

# Making a Sundial

Students will gain an understanding of the daily movement of the sun across the sky by conducting a set of simple, quantitative observations using a sundial they have constructed. A student work sheet accompanies the learning activity.This resource... (View More)

# Traditions of the Sun: The Sun-Earth Connection at Chaco Culture National Historic Park

This is a companion book to the Traditions of the Sun web site. Learners can use the book to learn about the Sun's dynamic nature, explore images from NASA's cutting-edge solar missions and understand more fully the human connection we all have to... (View More)

# Technology Teacher: Singin' the Black and Blues

Learners will read about and discuss the colors of the day- and night-time skies. They may sing the Top-down Black and Blues, a song about the sky; or they may write a poem, essay, or song about the bluest sky or blackest night they have ever... (View More)

Audience: Middle school
Materials Cost: Free
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