Is there a geologic connection between Mother Nature’s most awesome displays of force—earthquakes and volcanoes—or is their occurrence simply coincidental?
Healthy soil provides structure and nutrients for plant growth and is a vital component of the hydrologic (water) cycle. Explore how the physical and chemical properties of soil impact soil quality with this two-part investigation.
What is the water quality of this stream? Is it polluted? Students use a sample of illustrated macroinvertebrates to determine the Biotic Index and the water quality of a simulated natural water source.
Yikes—the beach sand is hot, but the water is cool! How can two adjacent materials have such different temperatures? In this timely environmental science lab kit, students carry out a controlled experiment to determine how specific heat affects the temperature of geological materials and influences climate.
Explore important concepts related to groundwater using this activity-station lab kit! Three “mini-lab” activities, each focusing on a specific groundwater-related principle or topic: Permeability & Porosity, Permeable Reactive Barriers, and Groundwater Simulation Model
Hundreds of species of organisms are living right under your feet! According to the U.S. Department of Agriculture, a single spadefull of rich garden soil contains more species of organisms than can be found above ground in the entire Amazon rain forest.
Students can witness a population explosion right before their eyes as they nurture and experiment with living duckweed plants. Students start with a small number of plants and watch them reproduce vegetatively into a large matted colony, too numerous to count.
Americans generate over 210 million tons of trash every year! One of the biggest decisions voters will need to make in the coming years is “what are we going to do with all this trash?”
Introduce students to air and water pollutants. Students will gain a deeper understanding of air quality by performing valuable experiments to detect smoke, particulate materials and acidic gases in air.
Did you know that many items we use everyday are mined from the Earth? Examples include limestone in building homes, feldspar in soaps, and fluorite in toothpaste.
Fluctuating fuel prices make green energy more appealing than ever! Each student group constructs a windmill with two interchangeable fans of three and four blades, respectively.
The energy crisis is real! Dye-sensitized solar cells (DSCs) mimic the process that occurs in photosynthesis to harvest sunlight and convert it to electricity. Students build a DSC and learn about the principles behind its operation.
Lichens are a terrific indicator to monitor environmental pollution. In this kit, students discover the value of lichens as living indicators of environmental quality.
What is the greenhouse effect? How does the amount of greenhouse gas in the atmosphere affect the temperature of the Earth? Where do greenhouse gases originate?
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