Search Results


Showing results 1 to 4 of 4

Add to list Details
In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun.

1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.

$10 - $20 per student Ages 11 - 14 45 to 60 minutes
Add to list Details
Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.

$5 - $10 per group Ages 6 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners make a small batch of biodiesel that will work in any diesel engine. Learners use an old juice bottle as a "reactor" vessel to chemically process vegetable oil into fuel.

$10 - $20 per group Ages 14 - adult 1 to 7 days