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It's A Gas!
Source Institutions
Visitors mix water and sodium bicarbonate (baking soda) in a large flask. They then add citric acid to the mixture and stopper the flask. The resulting reaction creates carbon dioxide gas.
All Mixed Up!: Separating Mixtures
Source Institutions
Visitors separate a mixture of pebbles, salt crystals, and wood shavings by adding water and pouring the mixture through a strainer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-195.png?itok=Loeko3z8)
Make Pan Pipes
Source Institutions
This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.
Waves: An Alternative Energy Source
Source Institutions
In this data analysis and environmental science activity, learners evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing system (OOS) buoys.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-395.jpg?itok=NRZf2NeD)
Taking Its Temperature
Source Institutions
In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-418.jpg?itok=IJmt61cj)
What's the Matter
Source Institutions
In this activity, learners identify different classes of matter based on physical properties.
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Exploring the Nanoworld with LEGO Bricks: Structures and Their Construction at the Nanoscale
Source Institutions
In this activity (pages 42-49), learners discover the methods and challenges of building nanoscale structures with macroscale equipment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-355.jpg?itok=IayQ90_e)
Lotus Leaf Effect
Source Institutions
This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-942.jpg?itok=V4TLpjl-)
Biomimicry Mash-Up
Source Institutions
In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-221.png?itok=6kbVkTas)
Wind Tubes
Source Institutions
In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects.
Shrinkers
Source Institutions
Visitors use heat to shrink samples of polystyrene. They compare samples from containers that were shaped in different ways during manufacturing.
Concentrate: Concentrations and Reaction Rates
Source Institutions
Visitors incrementally increase the amount of iodate in three different test tubes containing the same amount of a starch solution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-403.jpg?itok=A3pjF9Qh)
Molecular Menagerie
Source Institutions
In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-756.jpg?itok=L35ILDbB)
Restriction Enzyme Digestion: How does it work? Why is it useful?
Source Institutions
In this activity related to plant biotechnology, learners use restriction enzymes to cut up DNA from a virus called Bacteriophage λ, a process known as restriction digestion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-510.png?itok=2QJ6-LL_)
Exploring Fabrication: Self-Assembly
Source Institutions
In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-791.jpg?itok=p5cwlNLu)
Space Elevator
Source Institutions
In this activity, learners imagine what the world might look like if we could build an elevator to space!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-504.jpg?itok=Y5Tl3vy0)
Exploring Size: Ball Sorter
Source Institutions
In this activity, learners use sieves with different-sized holes to sort balls by size.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-376.png?itok=hsHrCq1i)
Build Your Own Marble Machine
Source Institutions
In this activity, learners will build a ball run contraption.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-025.jpg?itok=Td284hXH)
Elevator Engineering
Source Institutions
In this activity, learners will use household items to design and build an elevator that will carry 2 passengers to a height of 16 inches...or higher!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-031.jpg?itok=43KlQuTa)
Papermaking at Home
Source Institutions
Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.