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The nature of technology  
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Learners will explore how engineers minimize the use of fuel by utilizing gravity. In Activity 1, students explore the physical conservation laws by observing the behavior of balls colliding with other objects. In Activity 2, the students use an... (View More)

Audience: High school

The goal of this lesson is for students to understand how to plan a mission to another world in the solar system. They begin by discussing the path of a spacecraft traveling between planets, examining the journey from the Earth to Mars as an... (View More)

Learners will investigate various ways to improve mission design to maximize the scientific return. In the first activity, students examine how the use of flowcharts can help make computer programs error-free and efficient, in this way making the... (View More)

Audience: High school

This is a legacy site for videos and animations related to the Deep Impact mission and encounter with Tempel 1. Learners can watch videos about the mission, encounter, science, and results.

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

In this problem set, learners will become familiar with two measures of electricity: watts and kilowatt-Hours. They will calculate the electrical consumption of several household items, such as appliances, as well as its cost. Answer key is... (View More)

This self-paced, interactive tutorial provides learners with an opportunity to learn about remote sensors, and the role remote-sensing instruments play in our understanding of the Earth system. Activities within the tutorial allow learners to... (View More)

In this lesson, learners will discover how certain snakes (pit-vipers) can find prey using a natural infrared sensor and will extend their understandings by exploring infrared technology applications. The lesson features background information for... (View More)

In this problem set, learners will analyze a table of electrical consumption of appliances when not in use and consider the total consumption in kilowatt-hours (kWh), associated cost and their own consumption when appliances are in "instant-on" or... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will analyze a table of annual electrical consumption by state in gigaWatt-hours (gWh) to answer a series of questions. They will also consider the carbon dioxide produced as a result of this consumption. Answer key is... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will calculate the energy consumption of a home in kilowatt-hours (kWh) to answer a series of questions. They will also consider carbon dioxide production associated with that energy consumption. Answer key is provided.... (View More)

Audience: Middle school, High school
Materials Cost: Free