Search Results
Showing results 121 to 140 of 273
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-730.jpg?itok=9xeiLjSz)
Exploring the Solar System: Pocket Solar System
Source Institutions
“Exploring the Solar System: Pocket Solar System” is a hands-on activity in which visitors make a scale model of the distances between objects in our solar system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-200.jpg?itok=8fxklY11)
Tricky Tangrams
Source Institutions
In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.
Pollution in Our Watershed
Source Institutions
By building a simple watershed with paper and markers and then using a spray bottle to simulate precipitation, learners will understand how pollution accumulates in our water sources, especially from
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-678.jpg?itok=5MkY_Z59)
Klutz-Proof Density Column
Source Institutions
Making liquids of different densities to perfectly lay on top of each other can be a frustrating exercise. The Exploratorium created this activity as a fool proof way of making a density column.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-650.jpg?itok=cuB37x-t)
Anti-Sound Spring
Source Institutions
What happens when two wave pulses meet in the middle? Send waves down a spring to watch them travel and interact.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-073.jpg?itok=KfbyMQrt)
Take Out the Trash
Source Institutions
Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture.
Fair Shares: Predict Equal Shares
Source Institutions
Use this activity to build division and number sense into any snack time or whenever there is a limited set of things to share among a group: If we deal these out, could everyone get two pieces?
Penny Jar: Estimating for Charity
Source Institutions
Learners will collect pennies to donate and will combine charitable giving with estimating and calculating with money. To start choose a charity or something to save up for together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-256.jpg?itok=pR1Exlyy)
Are Microbes Alive?
Source Institutions
In this activity (on pages 19-21 of the PDF) learners observe mold growing on potatoes. Preparation for this activity has to start a week before, to allow time for the mold to grow on the potatoes.
Shadow Puppets
Source Institutions
If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-313.jpg?itok=VvMyIJ-x)
Nosedive
Source Institutions
This is a great activity for investigating the basics of lift and drag as they pertain to flight. Learners will discover how to avoid "taking a nosedive" by building their own paper airplane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-737.jpg?itok=p45IGehO)
Exploring the Universe: Objects in Motion
Source Institutions
"Exploring the Universe: Objects in Motion" encourages participants to explore the complex but predictable ways objects in the universe interact with each other.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-300.jpg?itok=ilysqQmo)
Invisible Ink
Source Institutions
In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-095.jpg?itok=V87LNwM6)
All About Air
Source Institutions
In this activity, learners with explore the gases present in air. They will then build their own wind cannons and challenge family and friends to a friendly competition.
Build a Bridge
Source Institutions
In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-463.jpg?itok=7yvcYcj8)
Rock Candy
Source Institutions
In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-735.jpg?itok=J5BODbvP)
Exploring the Universe: Orbiting Objects
Source Institutions
“Exploring the Universe: Orbiting Objects” is a hands-on activity that invites visitors to experiment with different sized and weighted balls on a stretchy fabric gravity well.
Mystery Jars: Make Your Own: Estimating and Counting
Source Institutions
Learners make a counting/estimating jar to exchange with friends or bring home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-655.jpg?itok=BCSjwPnZ)
Coffee-Can Cuíca
Source Institutions
Make a cuíca (“kwee-ka”), a traditional Brazilian musical instrument that originated in Africa. Played primarily in Brazil, now you can play it at home, too, with this Exploratorium produced activity.
Pocket Change: Math and Coin Toss
Source Institutions
In this activity, learners will play a coin toss game where the highest total wins. Combine coin recognition, addition, and probability with a game learners can play on their own.