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In this problem set, learners will calculate energy consumption in kilowatt-hours (kWh) and its associated cost in two scenarios. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth Science and Climate Change.

Keywords: Unit conversion
Audience: Middle school, High school
Materials Cost: Free

This interactive website engages children in a story-based scenario that emphasizes concepts of remote sensing and how NASA scientists use satellite imagery to better understand the Earth's environmental changes. The story features a pigeon named... (View More)

Audience: Elementary school, Informal education
Materials Cost: Free

This is a lesson about the science supporting the design and operation of an ion propulsion engine. Learners will study the concepts of formation and discharge of charged particles, attractive and repulsive forces between charged particles, and the... (View More)

Audience: High school
Materials Cost: Free

This is a lesson about detecting ice on the permanently shadowed craters of Mercury and the Moon. Learners will consider what might be in that ice and will examine why the polar regions of Earth, Mercury and the Moon are colder than elsewhere on the... (View More)

Learners will explore the difference between natural and artificial satellites and use images taken by robotic spacecraft and telescopes to gain an understanding of the Earth's place in space. Requires the books "Me on the Map" by Joan Sweeney and... (View More)

This is a lesson about the path of one xenon ion through an ion propulsion engine. Learners will focus on what a single xenon ion sees and does as it goes through the reactions and processes that provide the ion jet propulsion engine's thrust. They... (View More)

Audience: High school
Materials Cost: Free

This activity explores how ancient Sun observers made use of natural and built structures to mark solar alignments observed at different times of the year, particularly around the solstices and equinoxes. In Part 1, the teacher prepares a horizon... (View More)

This is an annotated children's story about the Dawn mission to Vesta and Ceres in the asteroid belt. Learners will dissect the story for real and fictional objects and places in the solar system, and for those scientific concepts or processes that... (View More)

Audience: Elementary school
Materials Cost: Free

Highly productive commercial agriculture, known as industrial agriculture, is the focus of this investigation. Students will analyze and compare the inputs and outputs of industrial agriculture after reading background information, examining photos... (View More)

Keywords: Farming

The Aral Sea, located between Kazakhstan and Uzbekistan, is diminishing in size. Students must analyze and interpret the background information, photos, images and data provided in order to determine the causes of the size change as well as the... (View More)

Keywords: GIS