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Showing results 41 to 60 of 301
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Clean Water: Is It Drinkable?
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
Fish Communities: National Marine Sanctuaries
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In this data activity, learners will compare and contrast fish communities, diversity and habitats in U.S. National Marine Sanctuaries.
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Jumpy Dolls
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In this activity, learners are challenged to design and construct a jointed figure that moves in a motion (something like jumping jacks) when a string is pulled.
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Natural Selection in Protected and Unprotected Populations
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In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.
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Transformation of E. coli Using Green Fluorescent Protein
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In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
Pollution and Lung Health
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Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.
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The Game of Life: Stem Cell Edition
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In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.
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Plant Tissue Culture: Classroom Activities in Plant Biotechnology
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In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet le
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Gel Electrophoresis
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In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.
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Ruminating on the Digestive System
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In this activity, learners will review the functions of basic digestive organs, understand how diet affects digestion, understand how digestive tracks may differ, and then step outside to compare the
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Does Sunscreen Protect My DNA?
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In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.
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Rock Pioneers
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.
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Finding a Gene on the Chromosome Map
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In this activity, learners use pedigree and jigsaw puzzles to explore how scientists use genetic information from a family to identify a gene associated with a genetic disorder.
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The Scoop on Scallops
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In this data analysis activity, learners quantify the abundance and distribution of sea scallops in and adjacent to the Mid-Atlantic closed areas.
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Crunch Time
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
Catch & Release II: It's Catching On!
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Throw that fish back? A new generation of ethical anglers concerned about conserving resources is participating in "catch and release" fishing. How is this going?
Sea State: Forecast Conditions at Sea
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In this oceanography and data collection activity, learners cast real time sea state conditions using buoys from NOAA's National Data Buoy Center.
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DNA the Easy Way
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This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.
Bend It, Break It
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In this activity (on pages 25-32 of PDF), learners make models of the inner ear out of pipe cleaners.
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Colors, Colors?
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In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th