Search Results


Showing results 221 to 240 of 251

Source Institutions
Add to list Details
When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

Over $20 per group Ages 8 - adult 45 to 60 minutes
Source Institutions
Add to list Details
In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

$10 - $20 per group Ages 4 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
To discover the risk and protective factors involved in substance addiction, learners play a game of chance to determine whether a fictitious child is likely or unlikely to abuse drugs.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners saw sections from fallen trees, then count tree rings and look closely at patterns of tree growth.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.

$5 - $10 per group Ages 6 - 18 5 to 10 minutes
Add to list Details
In this graphing activity (on pages 33-40), learners investigate how much and what kinds of food sea otter pups eat during their first year of life.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
Add to list Details
In this activity, learners investigate vitamin C.

$5 - $10 per group Ages 8 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.

$10 - $20 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
Add to list Details
In this activity, learners create a freshwater ecosystem in a large plastic bottle. Learners cut and prepare bottles, then fill with water, aquatic plants, snails and fish.

$10 - $20 per group Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants growing

$10 - $20 per group Ages 8 - 14 2 to 4 hours
Source Institutions
Add to list Details
In this activity, learners investigate the history and development of agricultural biotechnology.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
Source Institutions
Add to list Details
In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners will explore the roles of different animals in the food chain. They will create their own food chain using organisms of their choice.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes