Search Results


Showing results 21 to 40 of 60

Add to list Details
In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Over $20 per group Ages 14 - 18 2 to 4 hours
Source Institutions
Add to list Details
Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood.

Over $20 per group Ages 11 - adult 1 to 4 weeks
Source Institutions
Add to list Details
In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

Over $20 per group Ages 14 - 18 2 to 4 hours
Source Institutions
Add to list Details
This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

Over $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

Over $20 per group Ages 4 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore dinosaur fossils by making cast models of a T. rex. First, learners read about and research how dinosaur fossils form.

Over $20 per group Ages 6 - 8 4 to 24 hours
Source Institutions
Add to list Details
In this activity, learners observe and describe the physical and behavioral characteristics of insects, including crickets.

Over $20 per group Ages 8 - 11 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners investigate how some butterfly wings get their color.

Over $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

Over $20 per group Ages 8 - adult 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic.

Over $20 per group Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity/demo, learners examine a synthetic gecko tape with micron sized hairs that mimics the behavior of the gecko foot.

Over $20 per group Ages 6 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.

Over $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks.

Over $20 per group Ages 6 - 14 1 to 12 months
Source Institutions
Add to list Details
In this outdoor activity, learners cut through and investigate rotten logs and then make log-profile puzzles for each other.

Over $20 per group Ages 8 - adult 45 to 60 minutes
Source Institutions
Add to list Details
In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.

Over $20 per group Ages 8 - adult 2 to 4 hours
Source Institutions
Add to list Details
The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.

Over $20 per group Ages 6 - 18 1 to 4 weeks
Source Institutions
Add to list Details
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
This activity models the mass coral spawning event that takes place at Flower Garden Banks National Marine Sanctuary every August.

Over $20 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners turn the fun of feeding wild birds into an investigation of bird behavior.

Over $20 per group Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this ecology activity, learners make a model water-based ecosystem called a terraqua column. The column (in a large soda bottle) includes pond water, duckweed, sand or gravel, and small snails.

Over $20 per group Ages 11 - 14 1 to 2 hours