Search Results


Showing results 121 to 140 of 237

Add to list Details
Learners match puzzle pieces to outlines of a DNA strand. The puzzle pieces represent the four chemicals making up DNA base pairs: adenine, thymine, guanine, and cytosine.

$5 - $10 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore surgical instrument design. Teams of learners construct surgical instruments from everyday materials.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners create air cannons out of everyday materials. Learners use their air cannons to investigate air as a force and air pressure.

$5 - $10 per student Ages 6 - 18 30 to 45 minutes
Add to list Details
In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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
Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long.

$5 - $10 per group Ages 6 - adult 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners will use chemistry to create a night sky watercolor painting. They will experiment to learn the effects of mixing crayon, salt, and lemon juice with water color paints.

$5 - $10 per student Ages 4 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

$5 - $10 per group Ages 8 - 18 10 to 30 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 construct a device out of a piezoelectric igniter, like those used as barbecue lighters.

$5 - $10 per student Ages 11 - 18 30 to 45 minutes
Add to list Details
In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners make a photographic image--without a camera!

$5 - $10 per student Ages 11 - 18 30 to 45 minutes
Add to list Details
In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

$5 - $10 per student Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
You just ate a big meal and feel heartburn coming on. You take an antacid and feel better. Why? Heartburn is caused by stomach juice (an acid) burning the esophagus.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems.

$5 - $10 per group Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

$5 - $10 per group Ages 11 - adult 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners explore materials through paper chromatography.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners use their strength to light a light bulb. A chain made from paper clips is placed in series with a battery and flashlight bulb.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes