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Triboluminescence
Source Institutions
In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-637.png?itok=vE_HhF8l)
Veggies with Vigor
Source Institutions
In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-123.jpg?itok=7-pKhRNg)
Doce a la Vez
Source Institutions
Jugando a este juego, los chicos desarrollan habilidades en área, perímetro, múltiples, y factores. Tomen turnos para hacer rectángulos con 12 cuadrados en la cuadrícula.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-213.jpg?itok=HjopCvAs)
Bottle Blast Off
Source Institutions
With little more than a plastic bottle, some vinyl tubing, and a length of PVC pipe, make a rocket and a rocket launcher and investigate how rockets fly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-970.jpg?itok=h9LfbyUW)
Pixel Tube
Source Institutions
In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-821.gif?itok=I_u9qxVN)
Size Wheel
Source Institutions
In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-048.gif?itok=rtzaxXrt)
Four of the States of Matter
Source Institutions
This kinesthetic science demonstration introduces learners to four states of matter: solid, liquid, gas, and plasma.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-964.jpg?itok=ujMtMl52)
Bean-Counter Evolution
Source Institutions
In this simulation game, learners play as predators equipped with genetically different “mouths” (utensils) and hunt for “prey” (assorted beans).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-794.jpg?itok=h6vPYzng)
Exploring the Universe: Nebula Spin Art
Source Institutions
In this activity, participants will learn about how gigantic clouds of gas and dust in space, called nebulas, are formed. They'll create their own colorful model nebula using paint and a spinner.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-273.jpg?itok=ATQYHqLY)
Dissolving Different Liquids in Water
Source Institutions
In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-060.png?itok=29EQjv90)
Mix-N-Match Light
Source Institutions
This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-706.jpg?itok=8aEwQOrL)
Hovercraft
Source Institutions
In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-515.jpg?itok=aB7B51uy)
Exploring Forces: Static Electricity
Source Institutions
In this activity, learners investigate what happens when you build up static electricity on plastic balls.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-712.jpg?itok=L9ZtuIUH)
X-Ray Spectra
Source Institutions
In this activity, learners use simple materials to simulate the effect of X-rays in a safe way. Learners place a piece of window screen over a box and a cardboard pattern on top of the screen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-501.png?itok=eqNn2Y19)
Causes and Effects of Melting Ice
Source Institutions
In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-780.jpg?itok=640KmaP7)
Dip Dip, Hooray
Source Institutions
Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-074.gif?itok=OqFPc73X)
Maritime Munchies
Source Institutions
In this activity, learners follow simple historical maritime recipes to cook up hardtack and swanky, and then compare the foods they eat to what was served on ships in the past.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-958.jpg?itok=jfqk1Ewv)
Build An Aqueduct
Source Institutions
In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-429.jpg?itok=Y2iPIc2e)
Conservation of Mass
Source Institutions
This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-935.jpg?itok=g01LJteB)
Fitness Factor
Source Institutions
In this online activity, learners partner up to complete several physical exercises and assess their starting fitness level.