Search Results


Showing results 21 to 30 of 30

Add to list Details
This activity uses turmeric, a common spice in curry, as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances, but turns bright red with bases.

$1 - $5 per student Ages 11 - 14 10 to 30 minutes
Add to list Details
Learners use a simple process to extract DNA from strawberries.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Add to list Details
Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads.

per group Ages 8 - adult 5 to 10 minutes
Add to list Details
Eggs are placed in vinegar for one or two days to dissolve the shells. Then, learners place the eggs in water or corn syrup and observe them over a period of days.

$1 - $5 per student Ages 6 - 14 1 to 7 days
Add to list Details
In this activity, learners separate the protein from milk and and use it to make their own glue.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Add to list Details
In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Add to list Details
Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
Add to list Details
This guide outlines how to plant a garden even if you don't have a yard!

$5 - $10 per student Ages 8 - adult 1 to 4 weeks
Add to list Details
This game explores the different reasons we choose to eat, and helps us be aware of when our body needs food and when it does not.

free Ages 8 - 14 10 to 30 minutes
Add to list Details
In this activity (on pages 19-24 of PDF), learners soak chicken bones or eggshells in vinegar for several days.

1 cent - $1 per student Ages 8 - 14 1 to 4 weeks