Search Results


Showing results 1 to 20 of 23

Add to list Details
Learners mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol solution and fake blood (hydrogen peroxide) show learners a blue glow.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Source Institutions
Add to list Details
This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.

$10 - $20 per group Ages 11 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore clouds and how they form.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Add to list Details
In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Learners use a mortar and pestle to extract clove oil from cloves using denatured alcohol. They put this oil on paper, which they can take home.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Learners blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

free Ages 8 - 18 5 to 10 minutes
Add to list Details
Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

1 cent - $1 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Add to list Details
In this activity, learners perform a simulated blood test procedure.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Source Institutions
Add to list Details
This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

free Ages 8 - 18 5 to 10 minutes
Add to list Details
Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
Source Institutions
Add to list Details
See and hear how sound waves travel through different types of materials. Extend the experiment online and learn how you can "see" with sound waves using ultrasound.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners use gelatin as a lens to investigate the properties of laser light.

$5 - $10 per student Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this biology activity, learners recreate the process of digestion in a zip lock bag. A bit of soda pop added to some crumbled crackers approximates how acids in the stomach dissolve food.

1 cent - $1 per student Ages 8 - 11 5 to 10 minutes
Source Institutions
Add to list Details
This activity teaches combustion as the interaction of a fuel source and oxygen.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes