Search Results


Showing results 81 to 100 of 215

Source Institutions
Add to list Details
In this genetics activity, learners discover how to extract DNA from green split peas.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
Add to list Details
Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

$1 - $5 per student Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.

$1 - $5 per student Ages 4 - 14 4 to 24 hours
Source Institutions
Add to list Details
In this chemistry activity (page 5 of the PDF), learners make an acid-base indicator using cabbage. Learners then explore how various subtances react with this indicator.

Over $20 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
This is an activity about the adaptations that allow the Aye-aye to survive in its habitat. Learners will explore how the Aye-aye collects food and how this is influenced by their specialized finger.

$5 - $10 per student Ages 8 - 11 45 to 60 minutes
Source Institutions
Add to list Details
This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells. It includes an optional test for the presence of DNA.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

free Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.

$1 - $5 per student Ages 14 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this optics activity, learners explore how they can make gelatin stop light, but not stop them from seeing fruit suspended within.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
Source Institutions
Add to list Details
Learners observe the outside and inside of raw chicken eggs, record descriptions, and hypothesize what will happen when a facilitator drops an egg on the floor.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.

$1 - $5 per group Ages 4 - 8 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners create a "mini sky" in a glass of water in a dark room.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.

$1 - $5 per group Ages 4 - 11 4 to 24 hours
Source Institutions
Add to list Details
In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

1 cent - $1 per group Ages 4 - 14 Under 5 minutes