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Test Your Lung Power
Source Institutions
In this activity, learners try to blow up a balloon hanging inside of an empty bottle.
Why is the Sky Blue?
Source Institutions
In this activity, learners create a "mini sky" in a glass of water in a dark room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-152.jpg?itok=aCC_GIw9)
Gravity and Falling
Source Institutions
This fun and simple hands-on astronomy activity lets learners experiment with a bucket, stretchy fabric, marbles, and weights to discover some basics about gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-091.jpg?itok=zG35FlgX)
Make Your Own Sea Otter
Source Institutions
In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-269.jpg?itok=IMqB7Mrb)
Powder Particulars
Source Institutions
In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-956.jpg?itok=8S3PYRH1)
Metal Noise Maker
Source Institutions
In this activity, learners explore how sound travels through solid objects better than through air. Leaners attach a metal clothes hanger to a piece of string and hold it to their ears.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-185.jpg?itok=2fziJV2-)
How Do We Find Planets Around Other Stars?
Source Institutions
This fun and simple hands-on astronomy activity describes techniques scientists use to find planets orbiting other stars.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-255.jpg?itok=OxzR_tyN)
How Small Can You Cut?
Source Institutions
In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-046.jpg?itok=kF6cFmDo)
Postcards from Space
Source Institutions
Using information from the My Place in Space lithograph, learners write and/or draw a postcard to friends and family as if they had gone beyond the interstellar boundary of our Solar System, into the
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-382.jpg?itok=l1ve3bfl)
Whale Cart
Source Institutions
In this activity, learners interact with whale artifacts such as replicas of skulls, bones, teeth, and baleen (hair-like plates that form a feeding filter).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-639.png?itok=vZGCMoGZ)
Zoomers
Source Institutions
In this activity, learners build their own rockets from paper, coffee stirrers, and tape. Learners discover that when anything flies, air pressure is always involved.
![](/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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-697.jpg?itok=vGEvmj1m)
Digger
Source Institutions
In this activity, learners build their own construction cranes using tongue depressors and pushpins.
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-000-000-000-553.png?itok=QhpvVy18)
Glitter Slime
Source Institutions
Our bodies defend themselves in many different ways to prevent us from getting sick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-973.gif?itok=rlgLweox)
Wear a Chimp on Your Wrist
Source Institutions
Learners construct a bracelet containing two strands of beads, which represents a double strand of DNA that codes for a gene. They match beads to the bases in a section of a chimp's DNA code.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-667.jpg?itok=rPI_QU4q)
Doppler Effect
Source Institutions
Sound changes pitch relative to how you or the source of the sound is moving. Use this simple activity developed by the Exploratorium to experience the Doppler Effect yourself!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-380.jpg?itok=f5XNrVzS)
Identify Your Fingerprints
Source Institutions
Learners roll their fingerpads in ink pads, and then press their fingerprints onto balloons. Learners inflate the balloons to produce enlarged versions of their fingerprints.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-078.png?itok=KMPw9LPT)
Sound Off!
Source Institutions
This activity includes several games about animal sounds. Using their sense of hearing and communicating with various kinds of noisemakers, learners role-play predator and prey.