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Topics/Subjects:
Earth processes  
Earth, moon and sun  
Materials Cost:
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Now showing results 21-30 of 32

In this problem set, learners will compare actual versus computer track of a solar eclipse in Babylonian times to calculate the rate at which the day is lengthening over time. Answer key is provided. This is part of "Earth Math: A Brief Mathematical... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about the relative sizes of the Earth and the Moon and the distance between them. Learners will inflate a balloon to the approximate size of the moon in relation to a standard globe. They will then hypothesize as to the correct... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

Satellite data on cloud cover is used in this investigation to show the relationship between clouds and solar declination. Students will download data on declination angles along with data on clouds and cloud cover for a one-year time period.... (View More)

Keywords: Solar inclination
Audience: Middle school, High school
Materials Cost: Free

in this science-based storybook, students learn about seasonal migration of hummingbirds as they are exposed to the scientific process. Students Anita, Simon and Dennis and the rest of Ms. Patel's class research when the hummingbirds have gone and... (View More)

This is a resource that explains the rationale behind the multiple time zone divisions in the United States. Learners will work through a problem set to practice calculating the time in one time zone, given the time in another time zone. This is... (View More)

Audience: High school
Materials Cost: Free

This is a web site which explores the desire shared by past civilizations and today's society to observe and study the Sun. Learners can access two interactive modules, which include satellite images, aerial photographs, panoramic pictures,... (View More)

Audience: Middle school, High school
Materials Cost: Free

This chapter provides an overview of the science of studying the Earth system, with a focus on understanding the connections among phenomena that can be traced through the energy, hydrological and biogeochemical cycles, on a range of time and... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

The purpose of this kinesthetic activity is for students to learn the relative motions of the Earth, Sun and Moon. Awareness of these different motions is needed to develop an understanding of the causes of the day/night cycle, the seasons and the... (View More)

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

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