Filters: Your search found 7 results.
Topics/Subjects:
Mathematics  
Materials Cost:
Free  
Learning Time:
1 to 2 hours  
Resource Type:
Instructor guide/manual  
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This lesson examines the effects of surface energy transfer and storage on ocean temperatures. Included are activities that introduce the use of scientific models. Students then use an energy flow computer model to track energy changes by... (View More)

Keywords: Energy flux
Audience: High school
Materials Cost: Free

Oceans play a significant role in determining and moderating the effects of energy imbalances. Students will begin this lesson by working with temperature data to reinforce the importance of protocols, practice computing statistical measures of data... (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

This is a lesson about the path of one xenon ion through an ion propulsion engine. Learners will focus on what a single xenon ion sees and does as it goes through the reactions and processes that provide the ion jet propulsion engine's thrust. They... (View More)

Audience: High school
Materials Cost: Free

In this data exploration activity, students will access, download and graph authentic ozone data for four different locations on Earth. The ozone levels at the four sites are compared and analyzed, and students investigate the cause of changes in... (View More)

Keywords: Dobson unit
Audience: Middle school, High school
Materials Cost: Free

This is an activity about the declining strength of Earth's magnetic field. Learners will review a graph of magnetic field intensity and calculate the amount by which the field has changed its intensity in the last century, the rate of change of its... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this activity, learners will explore the question, What is the chance that we are the only life in the universe? They determine what we need to know to predict the chances of extraterrestrial life. They then make estimates of the number of worlds... (View More)

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