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Hold a Hill
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In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
Water Clean-up
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This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.
Rock Pioneers
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.
Weather Stations: Temperature and Pressure
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In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth.
Making Sense of Sensors
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In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.
Tree Growth Investigation
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This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.
Pollution Patrol
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.
Solar Water Heater
Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.
OBIS Oil Spill
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In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.
Catch a Wave: How Waves are Formed
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In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.
Plenty on the Plains
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In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent
Simple Submarine
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Using simple, inexpensive items, learners build and test submarine models.
Survival of the Fittest: Variations in the Clam Species Clamys sweetus
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi
Water Walk
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.
Wind Power: Creating a Wind Generator
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This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.
Terrestrial Hi-Lo Hunt
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.
Great Steamboat Race
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In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.
Saguaro Nest Cavities
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This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.
From the Ground Up
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In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity.
Trail Impact Study
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In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.