In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.
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Grade Level: 6-8,
9-12
Grade Level: 3-5,
6-8,
9-12
An urban heat island is a phenomenon that is best described when a city experiences much warmer temperatures than in nearby rural areas. The sun’s heat and light reach the city and the country in the same way. The difference in temperature between urban and less-developed rural areas has to do with how well the surfaces in each environment absorb and hold heat.
Grade Level: 3-5,
6-8,
9-12
Students collect and analyze temperature data to explore what governs how much energy is reflected.
Grade Level: 6-8,
9-12
This lesson walks students through the use of Landsat false-color imagery and identification of different land cover features using these as models.