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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)

In this laboratory activity, students are introduced to the different particle sizes of soil and their properties. Using sieves, students remove organic materials and pebbles, and separate sand, silt, and clay. Students experiment by combining sand,... (View More)

In this field activity, students learn about the five soil-forming factors and their influence on soil properties such as moisture, temperature, color and texture. They identify factors such as slope, shade, plants and compaction, and investigate... (View More)

In this hands-on activity, students conduct bottle experiments to learn about the conditions that best facilitate the decomposition of organic material in soil. In the lab, they observe changes in the decomposition of vegetable scraps by varying the... (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 lesson, learners explore the steps in the carbon cycle and draw conclusions about the importance of the carbon cycle in the planetary temperature system. The lesson models scientific inquiry using the 5E instructional model and includes... (View More)

Keywords: Carbon cycle
Audience: Elementary school, Middle school
Materials Cost: Free

This is a lesson where learners trace the path that atoms take as they change form and move throughout the cycle of matter and compare this to the flow of energy. The lesson models scientific inquiry using the 5E instructional model and includes... (View More)

Keywords: Biology
Audience: Elementary school, Middle 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)

This series of modules are designed to increase student's knowledge of climate change science and the issues surrounding the complex interactions of Earth’s physical and biological spheres. The six modules include global temperatures,... (View More)

Audience: High school
Materials Cost: Free

In this online, interactive module, students will learn how to interpret weather patterns from satellite images, predict storm paths and forecast the weather for their area. The module is part of an online course for grades 7-12 in satellite... (View More)

Audience: Middle school, High school
Materials Cost: Free