Search Results


Showing results 261 to 280 of 530

Source Institutions
Add to list Details
In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

$10 - $20 per group Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
Add to list Details
In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
Add to list Details
This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.

$5 - $10 per student Ages 14 - adult 1 to 4 weeks
Source Institutions
Add to list Details
In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

free Ages 11 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners create virus models, including nucleic acid and proteins, using simple materials. This resource includes information about virus structure and gene therapy.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

$5 - $10 per student Ages 11 - 18 4 to 24 hours
Source Institutions
Add to list Details
In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
Source Institutions
Add to list Details
This exercise can be used to stimulate the investigative nature of learners as they use forensic plant pathology techniques to prove the learners' innocence in a mock murder investigation.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore the structural strength of triangles by creating their own free-standing geodesic dome out of plastic straws.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

Over $20 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

free Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit a crime.

Over $20 per group Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this series of exercises, learners predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed wh

$10 - $20 per group Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

$5 - $10 per group Ages 14 - 18 1 to 7 days
Source Institutions
Add to list Details
In this activity about human interface design issues, learners help the Oompa-Loompas of a great chocolate factory solve different problems.

free Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity (26th on the page), learners construct an easy-to-build device and test motor learning.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (pages 26-29 of the PDF), learners investigate how they can develop super memories by using mnemonic devices.

free Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

1 cent - $1 per student Ages 8 - 18 4 to 24 hours