Search Results
Showing results 121 to 140 of 198
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-612.png?itok=EkArGzwt)
Secret Goldenrod Messages
Source Institutions
In this activity, learners write invisible messages on goldenrod paper, and make the message appear and disappear using acids and bases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-332.png?itok=lAgZmYi8)
It's All About Birds
Source Institutions
In this activity, learners create their own bird species using arts and crafts materials. The bird call recordings are not online so the introduction activity can't be done, but everything else can.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-263.jpg?itok=J4Wyaceq)
Mind-Reading Magic
Source Institutions
In this activity, learners recreate a method of detecting and correcting errors in computers called 'parity'.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-756.png?itok=MbViWZw1)
Who Can Harvest a Walleye?
Source Institutions
This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-420.jpg?itok=K94f-LNL)
Weight For It!
Source Institutions
In this activity about weights and balances, learners create their own balance using paper cups. Then, learners explore how to compare the relative mass of objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-519.jpg?itok=DRK1gCWE)
Scale Model of Sun and Earth
Source Institutions
In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-044.png?itok=cYWKaTFZ)
What's in a Dinosaur Name?
Source Institutions
In this activity, learners explore the etymology of dinosaur names.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-734.jpg?itok=9pEZEfPW)
Slide Rules
Source Institutions
Learners make their own simple slide rules out of paper and learn how they work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-341.jpg?itok=M5qM1bxO)
Right Eye/Left Eye
Source Institutions
In this activity (3rd on the page), learners conduct a series of tests to find out which of their eyes is more dominant.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-383.jpg?itok=qBTbSEXV)
Two Ears are Better Than One: Sound Localization
Source Institutions
This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-519.jpg?itok=xQqJetZ3)
Exploring Size: Memory Game
Source Institutions
In this activity, learners play a card game that explores different size scales--macro, micro and nano.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-425.jpg?itok=Zew-vAsK)
Mighty Seeds
Source Institutions
In this biology experiment, learners plant soybean seeds in plaster of Paris, witnessing firsthand the mighty power and ability of plants to grow in adverse conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-997.jpg?itok=mmhNEuI1)
Nature Journals
Source Institutions
In this activity, learners construct a home-made journal with simple, everyday materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-196.jpg?itok=y7mXXBZO)
Waterbottle Membranophone
Source Institutions
In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-082.jpg?itok=PsNpnXc6)
Hot Stuff!: Creating and Testing for Carbon Dioxide
In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-244.png?itok=8gSU4cgX)
Measuring Blood Pressure in Space
Source Institutions
In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-295.png?itok=7bk_fLNF)
Make a Balance / Scale
Source Institutions
In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.
Movin' and Groovin'
Source Institutions
In this math activity, learners play a game and identify patterns with fun moves and sounds. Discover how dancing and signing involve patterns.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-698.jpg?itok=JMZVHQjJ)
Repulsive Grape: Diamagnetism
Source Institutions
Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-330.jpg?itok=JlHNlusx)
Protect That BRAIN!: Mr. Egghead
Source Institutions
This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.