Narrow Search

Filters: Your search found 63 results.
Topics/Subjects:
Earth structure  
Learning Time:
10 to 30 minutes  
Sort by:
Per page:

Now showing results 41-50 of 63

This picture book is designed to introduce children to the Earth's atmosphere and its importance to life on Earth. It also introduces how the addition of new gases (e.g., ozone) contributes to changing the quality of air we breathe. With an... (View More)

Audience: Elementary school, Informal education
Materials Cost: Free

This tutorial on cloud types was designed for participants in the S'COOL project (Student Cloud Observations On-Line). S'COOL engages students in making and reporting ground truth observations of clouds then comparing those observations with data... (View More)

In this short demo/activity, a balloon with baking soda in it is stretched over the mouth of a flask or bottle containing vinegar. The balloon is tipped so that the baking soda falls into the vinegar, and the reaction creates carbon dioxide, which... (View More)

This identification chart is a basic guide to observing contrails. It shows examples of the three types of contrails: short-lived, persistent, and persistent spreading. The chart is intended for use by students participating in the GLOBE program.... (View More)

Keywords: Clouds; Contrails
Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is an activity about auroras. Learners will use images from the IMAGE (Imager for Magnetopause-to-Aurora Global Exploration) satellite and measure the diameter of aurora ovals to identify if there is a correlation between severe magnetic storms... (View More)

Audience: High school

This is an activity about Earth's magnetosphere. Learners will use a magnet, simulating Earth's protective magnetosphere, and observe what occurs when iron filings, simulating the solar wind, blow past and encounter the magnet's field. This is the... (View More)

Audience: Elementary school

In this demonstration, an apple is used to help students visualize the relative amounts of land and water resources on the planet, and highlights the vulnerability of these resources we share. The apple is sectioned proportionately according to... (View More)

The video is a procedural guide to sampling salinity measurements in water bodies in the field. It provides a step-by-step explanation of field procedures and features students conducting the investigation and asking questions about what changes in... (View More)

This video provides a step-by-step guide to determining nitrate and nitrite concentrations in a water sample, using a nitrate testing kit. It describes what chemical reactions are taking place throughout the testing process. The resource includes a... (View More)

This video demonstrates students locating and preparing a study site where they can conduct field observations. The procedure used when describing a soil profile is outlined. The properties of soil are described, including the structure, color,... (View More)