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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-000-000-004-638.png?itok=ElSZ1bn9)
Yabba-Dabba You
Source Institutions
In this activity, learners explore genes and traits. Learners investigate their fingerprints and learn how to categorize them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-735.jpg?itok=YEd2ohv9)
Pinhole Magnifier
Source Institutions
In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-383.jpg?itok=9kKvFCPP)
The Watershed Connection
Source Institutions
In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-240.jpg?itok=rt7W-2Be)
How Big Were the Dinosaurs?
Source Institutions
In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-532.png?itok=LtNA0zyD)
Tiny Pants Photo Challenge
Source Institutions
In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-943.jpg?itok=Sf3u5wQg)
Thaumatropes
Source Institutions
In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.
Are you a Supertaster?
Source Institutions
In this activity, learners examine their tongue and taste buds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-912.png?itok=peOjtt1S)
Dinosaur Names: Common and Science Names
Source Institutions
In this activity, learners explore how dinosaurs are named and what their names mean. Learners listen to "The Littlest Dinosaurs" by Bernard Most.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-864.gif?itok=YbfKD-Wt)
The Legend of the Flying Frog
Source Institutions
In this activity, learners listen to a story about a made-up endangered species--a flying frog! Learners print out six story pages and then draw the pictures and write the captions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-222.jpg?itok=f4obIxc_)
A Slice of Apple Fly
Source Institutions
In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-882.jpg?itok=AqFFJHxx)
Flower Dissection
Source Institutions
In this activity, learners perform a plant dissection to gain a better understanding of a plant’s structure and function.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-313.jpg?itok=ryI3oY5T)
Rainbow Refraction
Source Institutions
In this activity, learners will explore how light can refract or break apart into different colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-381.jpg?itok=_niQ1ibF)
Grow a Garden in a Glove
Source Institutions
Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-666.jpg?itok=JKSu-jyv)
Disappearing Act
Source Institutions
Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-307.jpg?itok=3BwjpBxA)
Your Blind Spot
Source Institutions
In this activity, learners will explore how their own eyes work by experimenting with their photoreceptors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-342.jpg?itok=WYvlk42q)
Paper Mache Dinosaurs
Source Institutions
In this activity (located on page 6 of PDF), learners observe and reproduce the distinctive physical features (i.e. plates, sharp spikes, long necks, deep jaws, claws) of their favorite dinosaurs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-296.jpg?itok=fvI45fix)
Wolf Postures
Source Institutions
In this activity, learners investigate how wolves communicate with each other through different body postures.
![](/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.