Search Results


Showing results 61 to 80 of 156

Add to list Details
Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
Add to list Details
In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.

free Ages 6 - 14 10 to 30 minutes
Add to list Details
Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
Add to list Details
During this activity, learners will make different versions of "ooze" using varied proportions of detergent and glue.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
Add to list Details
This is a series of demonstrations about different electrical and magnetic phenomena.

Over $20 per group Ages 11 - 18 45 to 60 minutes
Add to list Details
Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
Add to list Details
Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Add to list Details
Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
Add to list Details
Learners test solutions of water, sugar, salt, and hydrochloric acid for electrical conductivity. They immerse leads from a lighting device (a battery pack connected to an LED) into each solution.

$1 - $5 per group Ages 14 - adult Under 5 minutes
Add to list Details
Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture.

1 cent - $1 per group Ages 4 - 14 Under 5 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
In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
Add to list Details
In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
Add to list Details
Learners work in groups to construct bridges using stale marshmallows and toothpicks.

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
Add to list Details
In this activity (on page 2 of the PDF), learners make a plastic protein polymer from milk. Adding vinegar to milk causes the protein casein to solidify or curdle.

$1 - $5 per student Ages 6 - 14 1 to 7 days
Add to list Details
In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
Add to list Details
Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
Add to list Details
Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
Add to list Details
Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

1 cent - $1 per group Ages 11 - adult Under 5 minutes
Add to list Details
In this activity, learners explore two properties of gases: gases take up space and exert pressure. Learners assemble two flasks and a beaker, connecting them with stoppers and tubing.

$5 - $10 per group Ages 11 - adult Under 5 minutes