Search Results


Showing results 41 to 60 of 130

Source Institutions
Add to list Details
In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology.

Over $20 per group Ages 14 - 18 4 to 24 hours
Source Institutions
Add to list Details
In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume.

$1 - $5 per group Ages 8 - 18 4 to 24 hours
Source Institutions
Add to list Details
In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this chemistry activity, learners will learn how to make their own pH indicator using cabbage leaves, and then test common household items with their homemade indicator.

$5 - $10 per group Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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 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 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 construct a cereal chain as a model of how proteins are made in the cell.

1 cent - $1 per student Ages 11 - 18 10 to 30 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
Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!

$5 - $10 per group Ages 14 - adult 45 to 60 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 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 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, learners build edible models of DNA, while learning basic DNA structure and the rules of base pairing.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes