Narrow Search

Materials Cost
Filters: Your search found 926 results.
Materials Cost:
Free  
Sort by:
Per page:

Now showing results 761-770 of 926

This interactive, online activity introduces students to the electromagnetic spectrum. Students view the electromagnetic spectrum in its entirety and become familiar with the characteristics of waves. Images of the sun in different wavelengths of... (View More)

Keywords: Light and color
Audience: Middle school, High school
Materials Cost: Free

In this problem-based learning activity, students work in teams to review the many issues that surround ozone depletion. They will evaluate the current status of the Montreal Protocol, considering the interrelationships of Earth's spheres, including... (View More)

Keywords: Ozone depletion
Audience: High school
Materials Cost: Free

This interactive, online module allows students to discover the velocity needed to escape the Earth's gravitational pull. By completing this activity, students discover how mathematics can be used to find escape velocity. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem-based learning module, groups of students take on the role of environmental consultants and will research and provide information on the environmental conditions and economic impact that will accompany a developing El Niño. They... (View More)

Keywords: Economic impacts
Audience: High school
Materials Cost: Free

In this problem-based learning activity, students will examine opposing views on the Amazon Rainforest and will take a position on land-use and species conservation in one of the last areas of biodiversity on Earth. This activity is part of... (View More)

Keywords: Biodiversity
Audience: Middle school, High school
Materials Cost: Free

This activity introduces students to what a digital image is and how it relates to the real world. It involves a simple training exercise on making linear and area measurements using NIH Image software. The activity is part of Exploring the... (View More)

Keywords: Image analysis
Audience: Middle school, High school
Materials Cost: Free

This activity features real images of comets and challenges students to identify the different types of comet tails shown. It is an assessment activity that is based upon what students observed about comet tails in the activity Make A Comet.... (View More)

Audience: Middle school
Materials Cost: Free

This problem-based learning (PBL) module prompts students to address coral reef destruction and think about biodiversity worldwide. Students identify possible sources of coral reef destruction, examine conflicting evidence, evaluate possible courses... (View More)

Keywords: Biodiversity
Audience: Middle school, High school
Materials Cost: Free

In this problem-based learning module, students examine humankind's impact on the global environment, identify possible sources of global warming, evaluate conflicting evidence, and recommend a course of action. This module is part of Exploring the... (View More)

Keywords: Global warming
Audience: High school
Materials Cost: Free

In this problem-based learning activity, students will study the action of a previous hurricane (Hurricane Andrew, 1992) in preparation for analyzing, tracking, and predicting landfall of the next hurricane to hit the United States during the school... (View More)

Keywords: Hurricane tracking
Audience: Elementary school, Middle school, High school
Materials Cost: Free