Narrow Search

Materials Cost
Filters: Your search found 947 results.
Materials Cost:
Free  
Sort by:
Per page:

Now showing results 761-770 of 947

In this activity, students plot data from GLOBE schools on a map with latitude and longitude lines and draw contours based on the values plotted. The resource includes a student worksheet and data table. Several suggestions for extensions of this... (View More)

Students become aware of the changes in visibility and sky color due to particles suspended in the air, called aerosols. They observe, document and classify changes in visibility and sky color over several days and understand the relationship... (View More)

This chapter provides an overview of the science of studying the Earth system, with a focus on understanding the connections among phenomena that can be traced through the energy, hydrological and biogeochemical cycles, on a range of time and... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this field activity, students conduct a visual survey of a hydrology study site, and collect information about land cover and water quality. These observations are used to stimulate research-able questions about land cover and water chemistry... (View More)

This is a lesson about phase changes. Learners will observe ice melting and freezing under a variety of conditions and relate that to the Messenger mission. This is lesson 1 of 12 in Exploring Ice in the Solar System.

Audience: Pre-kindergarten, Elementary school
Materials Cost: Free

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 module focuses on the population of mountain gorillas living in the central highland area of Africa. The module looks at human activity around the gorilla habitat and how that activity is threatening the survival of the remaining gorillas.

This website serves as an online textbook about the Earth's magnetosphere and was developed by a retired space physicist. The emphasis of the site is on the history, conceptual understanding, and basics relating to electrons, ions and their motion... (View More)

This is a booklet containing 20 problem sets that involve a variety of math skills, including equations and substitution, time calculations, reading, algebra, and more. Each set of problems is contained on one page. Learners will use mathematics to... (View More)

Audience: Middle school, High school
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)