Search Results


Showing results 161 to 180 of 194

Source Institutions
Add to list Details
In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

free Ages 11 - adult 10 to 30 minutes
Source Institutions
Add to list Details
This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.

$1 - $5 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
This activity (on page 2 of the PDF under SciGirls Activity: Malformed Frogs) is a full inquiry investigation into using indicator species to assess the health of an environment.

Over $20 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.

$10 - $20 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this archaeology activity, learners consider ways in which excavating an underwater site is different from excavating a terrestrial site.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this math lesson, learners learn how to construct stem and leaf plots. Learners first estimate the number of drops of water that will fit on the head of a penny.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this math lesson, learners compare products to determine the best product.

$5 - $10 per group Ages 8 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

$1 - $5 per student Ages 6 - adult 1 to 7 days
Source Institutions
Add to list Details
This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds.

$5 - $10 per group Ages 11 - 18 1 to 7 days
Source Institutions
Add to list Details
In this math lesson, learners participate in several activities where they apply measurement skills.

$5 - $10 per group Ages 8 - 11 45 to 60 minutes
Add to list Details
In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

$1 - $5 per group Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.

Over $20 per group Ages 8 - adult 2 to 4 hours
Add to list Details
In this hands-on nature activity, learners observe the emergence of leaves and flowers. Branches from trees and bushes are collected in the early spring, brought indoors, and placed in water.

$1 - $5 per group Ages 8 - 14 1 to 12 months
Source Institutions
Add to list Details
In this activity, learners investigate the food, water, and space needs of common livestock animals.

free Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
This lesson focuses on how materials behave differently as their surface area increases.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes