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Using water to represent the atmosphere and milk droplets to represent aerosols, students make predictions and conduct investigations to discover how different aerosol concentrations affect atmospheric color and visibility. This lesson is one of... (View More)

Keywords: Aerosols

Through the use of prisms and glue sticks, this activity introduces students to a fundamental property of light: white light is made up of colors representing different wavelengths. Students use the results of the activity to explain the variation... (View More)

Working in groups, students use contact paper to make samplers to collect local data on aerosols - the small particles found in the atmosphere. Students then analyze, interpret and make predictions based on their data. Both the instructions for... (View More)

Keywords: Aerosols

In this activity, children use common craft materials and ultraviolet (UV)-sensitive beads to construct a person (or dog or imaginary creature). They use sunscreen, foil, paper, and more to test materials that might protect UV Kid from being exposed... (View More)

This two-page lithograph features an infrared image entitled, Pillars in the Monkey Head Nebula (the nebula also known as NGC 2174), located in the Orion constellation. The accompanying classroom activity "In Search of....Star Formation" is a... (View More)

Audience: High school
Materials Cost: Free

This lithograph features a Hubble image of the galaxy cluster Abell 2744, which exhibits a special feature known as gravitational lensing. The backside includes a description of the image and its features. Students use the image and the information... (View More)

Audience: High school
Materials Cost: Free

This is a two-page lithograph featuring the Cepheid Variable Star RS Puppis, an example of a special class of bright pulsating stars whose light and energy outputs vary over a set period of time. The text on the lithograph explains the historic... (View More)

Audience: High school
Materials Cost: Free

This unit consists of five activities, all of which focus on the response of plant life-cycle events to climate change. Students participate in discussions, field observations, data collection and analyses, plant identification, seed dispersal... (View More)

This unit consists of four activities. Students begin by examining temperature cycles (current, recent and historical) then add in factors such as carbon dioxide, precipitation and cloud cover to discover regional and global differences in the... (View More)

This unit focuses on the impacts of climate change on humans. Students participate in activities using "Character Cards" (included with the unit). The cards introduce fictitious citizens who describe the local economic, social and political factors... (View More)