When sunlight reaches the Earth’s surface, some of it is absorbed and some is reflected. The relative amount (ratio) of light that a surface reflects compared to the total incoming sunlight is called albedo. A surface with a high albedo will reflect more sunlight than a surface with low albedo. Surfaces with high albedos include sand, snow and ice, and some urban surfaces, such as concrete or light-colored stone. Surfaces with low albedos include forests, the ocean, and some urban surfaces, such as asphalt.
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Featured Lesson Plans
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Grade Level: 6-8, 9-12
Students explore positive feedback effects of changing albedo from melting Arctic sea ice.
Grade Level: 6-8, 9-12
Students develop and test a hypothesis about how albedo affects temperature.
Grade Level: 6-8, 9-12
Students evaluate graphs and images of sea ice and relate them to changes in albedo. Students make a claim about the interaction of albedo and sea ice extent.
Grade Level: 6-8, 9-12
Students analyze map visualizations representing the amount of Sun’s energy received on the Earth as indicated by the amount that is reflected back to space, known as “albedo”.
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Grade Level: 6-8,
9-12
This lesson contains a card sort activity that challenges students to predict relative albedo values of common surfaces.
Grade Level: 3-5,
6-8,
9-12
The Earth System Satellite Images, along with the Data Literacy Cubes, helps the learner identify patterns in a specific image.
Albedo Values landing page. Explore maps, graphs, data, and related education resources. These resources include lesson plans, mini lessons, activities, and datasets for teachers and students.