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Why is the Sky Blue?
Students explore diffusion or scattering of light. In this physics lesson, students explain why the sky is blue and sunsets/sunrises are red.
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Troical Atlantic Aerosols
Students explore the effect aerosols have upon he weather and climate. They observe NASA satellite images to explore and draw conclusions about aerosol transport. From studying the images, students track the path of aerosols. They...
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Comparing Sunscreens
Twelfth graders use a microcomputer connected to an ultra-violet sensor to compare the relative blocking power of different SPF sunscreens for the UVB region of the solar spectrum.
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Determining Red-Shift in a Receding Star
Students practice manipulating algebra formulas with more than one variable. They examine the topics of velocity, wavelength and frequency. They determine the amount of red-shift in a receding star.
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What Factors Impact a Greenhouse?
Students analyze the Greenhouse Effect and the science of greenhouses. In this global climate instructional activity, students read background information about the 'greenhouse effect' and define 'albedo.' Students examine pictures of...
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Greenhouse Effect
Students investigate the greenhouse effect. In this environmental lesson, students investigate why the greenhouse effect changes the climate through an experiment. Students use vinegar to simulate how acid damages the environment.
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Incandescent Light Bulb
Students study the history of the light bulb and how an incandescent light bulb works. For this electricity lesson students complete several experiments on the light bulb.
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CAN'T TOUCH THIS!
Students discover the best practical shielding material when dealing with radioactive substances. They draw conclusions based on availability of materials, price, and best shielding properties.
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How is heat transferred through conduction?
Fifth graders observe different types of conductors. They answer orally about the conduction of heat energy with 100% accuracy. Students investigate some materials that conduct heat much better than others, and poor conductors can...
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What the Sun Can Do
Students develop and test a unique, personally-relevant hypothesis about the consequences of exposure to UV radiation based units on a living organism, common baker's yeast (Saccharomyces cerevisiae).
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SURVIVING A COSMIC INVASION
Students read periodicals relating to radioacitivity and interpret a Geiger Counter. They work in small groups, share information and help each other explain the Geiger Counter. They discover the relationship distance to...
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Does Humidity Affect Cloud Formation?
Students use NASA's S'COOL database to identify factors that affect cloud formation.
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Our Future - Nuclear Power?
Students comprehend that there are risks involved with using nuclear power. They write persuasive paragraphs for and against nuclear power. Students analyze the environmental issues and risks with nuclear power.
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Is There Life Before 121?
Students observe microbial growth in the lab. In this biology instructional activity, students determine the conditions suitable for bacterial growth. They explain the methods of sterilization and bioburden testing.
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Invisible Rays
Students explore physical science by completing a lab assignment. In this sunlight instructional activity, students define a list of scientific vocabulary terms and complete fill in the blank questions. Students conduct a photographic...
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Heat Flow
Students explore how a whale's countercurrent flow of blood is an example of a heat exchange system and conduction. Excellent worksheet provided.
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Herschel Infrared Experiment
Middle schoolers perform a version of the experiment of 1800 by the famous astronomer Sir Frederick William Herschel.
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Biomes: Extreme Climate
Students create a web connecting global warming, the Arctic, and wold climate. They write a paragraph explaining the role of the Arctic in world climate.
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Solar Kit Lesson #7 Positioning Solar Panels I: Explorations with Tracking
Students track and record data on the Sun's position in the sky and on the output of a solar panel tracking the Sun. On a second day, students graph and analyze the data to identify relationships between (1) the time of day, (2) the...
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Tree Identification
Students are introduced to the characteristics of trees and different techniques to identify them. They distinguish between a deciduous and a coniferous tree. Students describe at least four characteristics used to identify trees. They...
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Charge-Coupled Devices (CCDs)
Students explore CCDs or Charge-Coupled Devices. In this digital devices lesson, students examine how CCDs are constructed, collect light, and create a digital signal.
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Black Holes
Students explore what black holes are and how gravity is associated with them. In this space lesson students are given enough information to imagine a journey to a black hole.
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Radio Astronomy and Radio Telescope
Learners construct a simple radio telescope. In this astronomy lesson, students explain how this telescope works and what information it collects.
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What is the Relationship Between Radioactivity and Radon?
Students examine the relationship between radioactivity and radon. They practice using a geiger counter with different materials. They answer questions to complete the lesson.