Search Results


Showing results 441 to 460 of 485

Source Institutions
Add to list Details
What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

Over $20 per group Ages 11 - 18 1 to 7 days
Source Institutions
Add to list Details
In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.

free Ages 8 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners make a barometer, an instrument to measure change in air pressure.

$5 - $10 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners can create five-layer density columns by employing one of three (or all) methods.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore how to stay fit the fun way. Learners participate in three physical activities.

free Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
This activity allows learners to explore the scientific method in an open-ended fashion, using the 4-P Approach to Science Inquiry developed by the University of Wisconsin, Beloit.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.

Over $20 per group Ages 11 - adult 1 to 7 days
Source Institutions
Add to list Details
In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

$5 - $10 per group Ages 8 - 11 1 to 2 hours
Source Institutions
Add to list Details
In this physical sciences activity, learners explore insulation. Leaners investigate how insulation can be used to slow down the conduction of heat from one side of a wall to the other.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners experiment and collect data during a simulation of the fluid shifts experienced by astronauts' bodies in microgravity.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
Source Institutions
Add to list Details
This activity (located on page 3 of the PDF under GPS: Garbology Activity) is a full inquiry investigation into design optimization using recycled materials.

Over $20 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
Add to list Details
Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes