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Frozen Water Before? I'm Sure You Have; But I Bed You've Never Frozen Salt Water! Water!!
Students examine what happens to salt water when it freezes. In groups, they measure density and salt concentrations in different samples of water and record its freezing time. They discuss the relationship between water density and...
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Where Have All the Road Salts Gone, Long Time Migrating
Students examine what happens to road salt after it is applied to the road during a storm. In groups, they collect their samples using a conductivity meter and enter their data into a database. They analyze and discuss the data...
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The Magnetic Sun
Learners follow steps to build a simple version of a magnetometer, an instrument capable of detecting areas of strong magnetic field. Students use the magnetometer to investigate models of the Sun and examine images of the Sun.
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Geographic Information Systems
Students examine the concept of geographic information systems (GIS) and its basic components. They explore an application program using GIS technology and list the various uses for GIS.
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Weightlessness Demonstration
Students investigate gravity. For this weightless lesson students complete a lab activity about how a free fall might effect how one perceives gravity.
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Geologic Time: Relative and Absolute Dating
Students investigate relative and absolute dating; determine the difference between the two dating systems; and apply this knowledge by creating a geologic timetable of their own.
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Worms in a Bottle
Students gain a better understanding of the worm and its role in the recycling of organic materials into simpler forms by constructing worm bottles and observing for 60 to 90 days.
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In Search of Cosmic Rays
Middle schoolers compare rates to altitude. They conduct a class discussion about the results.
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The Water Cycle
Students create an "animated" water cycle wheel that illustrates where water comes from and where it goes.
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Do Human Practices Affect Water Quality?
Pupils determine if human practices have any noticeable effects on the quality of stream life as measured by the presence of certain macroinvertebrates. They collect, preserve and identify macroinvertibrate samples and quantify the data.
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Life in Streams and Ponds
Students collect microorganisms, demonstrate correct laboratory/Gram stain procedure, and design and construct tables to organize data.
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An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Students identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
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Physical Habitat of a Stream
Students measure in metric units and use a stopwatch, calculator. They collect data with minimal instructions after the initial pre-activity briefing, then record data in the data sheets provided.
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The Effect of Moisture on Soil Temperature
Students analyze the relationship between soil moisture and its effect on soil temperature.
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Milestones of Flight
Students identify significant milestones in the history of flight. For this aviation history lesson, students study various resource materials and construct timelines of significant achievements.
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Up, Up and Away
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
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Trends of Snow Cover and Temperature in Alaska
Students compare NASA satellite data observations with student surface measurements of snow cover and temperature. They practice data collection, data correlations, and making scientific predictions.
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Understanding the Indoor Environment
Students create and deliver speeches about why their school should have an Indoor Air Quality team. In this speeches lesson plan, students make presentations to school board members about having an IAQ team.
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Understanding the Indoor Environment: Vocabulary Development
Learners acquire new vocabulary by reading an assigned text and determining the meanings of unfamiliar words. In this vocabulary development lesson, students acquire strategies to use in a small group as they decode meanings...
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Vocabulary Development Vocabulary Zoo
Students practice their vocabulary skills. In this vocabulary skills instructional activity, students recall vocabulary words regarding indoor air quality.
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The Lake Effect
Fourth graders conduct an experiment demonstrating the effects of water and air temperature on precipitation. They create graphs demonstrating their findings using Claris Works for Kids.
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Following Directions
Students explore the way astronauts practice and train to improve their efficiency in completing challenging tasks. They time and graph how long it takes to follow a list of directions. Also, they determine how practice and repetition...
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Principles Of Flight: Wings That Spin
Students discover how flight is possible. In this physics lesson, students investigate the properties of a blimp and gyro-copter, comparing rotating wings and fixed wings of aircraft. Students create their own model aircraft...
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Weather Patterns
Learners use yearly averages over a five-year period to understand weather trends for a specific area.