Search Results


Showing results 261 to 280 of 740

Source Institutions
Add to list Details
This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Over $20 per group Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
Learners use Duplo bricks to build antibodies with shapes that match model viruses.

$10 - $20 per group Ages 11 - adult 5 to 10 minutes
Add to list Details
Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
Add to list Details
In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.

1 cent - $1 per group Ages 11 - 18 2 to 4 hours
Add to list Details
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
Add to list Details
This quiz lets you estimate your annual radiation exposure.

free Ages 8 - 18 10 to 30 minutes
Add to list Details
In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.

Over $20 per student Ages 6 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.

$1 - $5 per group Ages 4 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

Over $20 per group Ages 8 - 18 1 to 2 hours
Add to list Details
In this activity, learners will observe a deceptively simple process: a burning candle.

$1 - $5 per group Ages 11 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners use Styrofoam to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope.

$1 - $5 per group Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners will use magnets and household items to create a structure that allows paperclips to appear like they are floating.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Over $20 per group Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners overlap the three primary colors to see how all other colors are made.

free Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners construct a model of DNA to better understand the structure of DNA and protein synthesis.

Over $20 per group Ages 8 - adult 1 to 2 hours
Add to list Details
Learners attach an egg to a rubber-band bungee cord and drop the egg.

1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners use marshmallows and gum drops to construct seven models of molecules. Learners classify (solid, liquid or gas) and draw diagrams of the molecules.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes