Filters: Your search found 10 results.
Topics/Subjects:
Chemistry  
Educational Level:
High school  
Instructional Strategies:
Guided inquiry  
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Beginning with an online interactive exploration of Karijini Gorge in Australia and Oak Creek Canyon in Sedona, AZ, learners gather geologic evidence regarding the formation of the red rocks found in each. They then apply that information to support... (View More)

This is a hands-on lab activity about the chemical composition and conductivity of water. Working in groups, learners will: conduct an experiment involving the process of electrolysis, prepare an experiment to better understand the process of ion... (View More)

Keywords: Electrolytes; Salinity
Audience: High school
Materials Cost: $1 - $5 per group of students

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 study the essential components and variables of an ion propulsion system. Activities include an on-line ion propulsion engine simulation and design. Included are changes in energy and fuel consumption as a result of variable changes... (View More)

Audience: High school
Materials Cost: Free

This learning activity engages students in measurement of pH in water and soil samples, plants and other natural materials. By mixing different substances, they observe how pH changes, and become familiar with the pH of common household products.... (View More)

This is a lesson about radiation and the various sources of radiation that a spacecraft may encounter in its journey. Learners will calculate their annual exposure to high-energy radiation, identify sources of high-energy radiation, and explain why... (View More)

Keywords: Radiation

Learners will construct a simple device to measure how effective different materials are for protecting against sunlight, explain how heat relates to the motion of atoms and molecules, describe how heat can be transmitted from one place to another,... (View More)

Audience: High school
Materials Cost: $1 - $5 per group of students

This is a lesson about elemental abundance in solar wind. Learners will count elements extracted from a simulated sample and learn how the extraction of atoms from the Genesis samples help scientists have a better understanding of the abundances of... (View More)

Audience: High school
Materials Cost: $1 - $5 per group of students

This investigation compares changes in ozone above the Arctic and the Antarctic. Students use text, tables, diagrams, images and photos to investigate the human-caused effects, the populations most at risk, and the different international... (View More)

This is a lesson about the connection between meteorites and asteroids, focusing on remote-sensing techniques using light. Learners will make and record observations and measurements; analyze data and draw analogies; compare samples; measure and... (View More)

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