Search Results


Showing results 861 to 880 of 1028

Add to list Details
In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

free Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this math lesson (page 2 of the PDF), learners use bottles of various shapes to explore the abstract concept of rate of change.

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners will explore ways static electricity interacts with the surroundings of an object. The activity has step-by-step instructions in English and Navajo.

$1 - $5 per student Ages 4 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.

Over $20 per group Ages 14 - adult 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners will create unique rockets. Each rocket will be powered by air as the learner will blow into a straw and watch their rocket fly.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.

free Ages 4 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, use standard playing cards to introduce learners to cellular interactions such as cell to cell recognition and signal and receptor specificity.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
This activity introduces learners to the structure and properties of carbon nanotubes.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

$5 - $10 per student Ages 6 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

free Ages 8 - 18 Under 5 minutes
Add to list Details
Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners turn an ordinary metal coat-hanger into a (very quiet) musical instrument.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners make a simple spring-like scale using a rubber band instead of a spring, and calibrate the scale in newtons (N).

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
Add to list Details
Learners observe glow-in-the-dark objects in a homemade light-proof box. Objects can include glow sticks, glow-in-the-dark toys, and toys with fluorescent paint.

$1 - $5 per group Ages 6 - adult Under 5 minutes
Add to list Details
In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes