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The nature of technology  
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This activity has two purposes: challenge the learner to develop a procedure for investigating a research question and to learn more about factors affecting the dynamics of air in motion. It demonstrates that warm air and cold air differ in weight... (View More)

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

Learners will work in groups to design a water rocket that will be tested. They will be able to test two preliminary designs before deciding on the final one for the contest. Prior to launch, the rockets are put through a series of design tests.... (View More)

This lesson is about the assembly of the Genesis collector arrays. Learners will work in teams to complete the assembly of the array frame that they began in the "Working Together" lesson (lesson 9 in the module). Includes a teacher's guide and... (View More)

This is a lesson about the concept of variables in relation to launching pop rockets. Learners will work in teams to test a single variable involved in launching a rocket and learn the variables involved with constructing and launching a water... (View More)

Keywords: variable
Audience: Middle school

This experiment is about contaminiation. Learners will model the process of verifying clean on a macroscopic level by using a small Secchi (se-key) disk and will read about how the Secchi disk is used in environmental science and compare this with... (View More)

This is a lesson about designing and building an effective sunshade for a model MESSENGER craft. Learners will build a model of MESSENGER. They will use a scientific approach to solve problems and work as a cooperative team. They will discover their... (View More)

This is a poster about the Deep Space Network. Learners can read about the network of dishes that recieve signals from space, space related careers, complete an activity about a mathematical model of how the Deep Space Network antennas work and how... (View More)

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