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This is an engineering design challenge activity. Learners will use balloons to investigate how a multi-stage rocket, like that used to launch the Interstellar Boundary Explorer, or IBEX, spacecraft, can propel a satellite to a specific orbit.... (View More)

Audience: Informal education

This is a lesson about the states of matter. Learners will participate in a kinesthetic activity to reintroduce them to three states of matter, solid, liquid, and gas and introduce them to a fourth state of matter, plasma, its connection to the Sun,... (View More)

In this activity, students identify habitats in Arizona, define and illustrate a food web in a kinesthetic exercise, and explain the importance of biodiversity in a writing assignment. Required materials include a ball of yarn or string. The... (View More)

In this lesson, students determine whether an object reflects or absorbs red, green or blue light, and create a simple spectral signature. Student worksheets and an answer key are included. This is Lesson 2 in Understanding Light, part of IMAGERS,... (View More)

In this lesson, students explore the visible light spectrum using a flashlight and red, blue and green theatrical gels or cellophane. They also record data on a worksheet, and learn about mixing wavelengths of light. A student worksheet, data sheet,... (View More)

In this activity, student pairs model how satellites transmit data using numeric data in an oral transmission challenge of a secret image. The resource includes a student worksheet and Web links. This is Lesson 4 in the Remote Sensing unit, part of... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free per student

This is a lesson about the formation of glaciers, ice layering and stratigraphy, and the cryosphere and cryobotics. Learners will collect evidence of layering, explore the science story that layering tells, study snow and ice for insights into... (View More)

This is a lesson about condensation, snow and snowflakes. Learners will investigate how water and ice exist in the atmosphere as they study water vapor condensing, find that clouds are made of tiny droplets of water, and notice that snow forms in... (View More)

This is a lesson about the characteristics of ice as a mineral and how it compares to other minerals with respect to hardness. Learners will observe ice crystals, develop a hardness scale and position ice on it. Learners will also practice working... (View More)

This is a lesson about how and why ice flows, especially in a large mass such as a glacier. Learners will experience the qualities of viscoelastic materials and view videos of glacial ice flows. They will observe ice flows and materials other than... (View More)