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Showing results 621 to 640 of 998
Making An Impact!
Source Institutions
In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-725.gif?itok=zdVEcvCV)
Simple Spinner
Source Institutions
In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-660.jpg?itok=YBRq1qKk)
Conversation Piece
Source Institutions
Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-094.jpg?itok=Ruhh7v8S)
Condiment Diver
Source Institutions
In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-734.jpg?itok=9pEZEfPW)
Slide Rules
Source Institutions
Learners make their own simple slide rules out of paper and learn how they work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-382.jpg?itok=V2hkSpDn)
Auditory Acuity
Source Institutions
This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-396.jpg?itok=q706CL0E)
How Fast Are You?
Source Institutions
This activity is designed to let learners measure their reaction time or response time to something they see.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-269.jpg?itok=qQ1B30C2)
Nuclear Fusion
Source Institutions
This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-282.png?itok=ntwezJoy)
Telescopes as Time Machines
Source Institutions
This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-355.jpg?itok=V29d0NzP)
Benham's Disk
Source Institutions
In this activity, learners make a Benham Top to explore visual illusions and optics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-368.jpg?itok=tMaobD9g)
Head, Shoulder, Knees and Toes...and Hands, Fingers and Back
Source Institutions
Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-354.jpg?itok=JAKuUUay)
Depth Perception
Source Institutions
In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-283.jpg?itok=3n7stoLx)
Supernova Star Maps
Source Institutions
This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-397.gif?itok=_ivKXnOr)
Think Fast!
Source Institutions
This is a quick and simple demonstration about reflexes (fourth activity on the page). One learner stands behind a see-through barrier like a window or wire screen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-240.png?itok=yi7fvZAq)
Mapping a Study Site
Source Institutions
In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-262.jpg?itok=8_9VV5Dj)
Find My Card
Source Institutions
In this activity, learners find the answer to the question, "if you have a pile of 8 cards, and you remove half, then half again, how many times can you do this until you get to just one card?" This w
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-383.jpg?itok=qBTbSEXV)
Two Ears are Better Than One: Sound Localization
Source Institutions
This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-499.jpg?itok=T7-5V4UK)
Butter Up
Source Institutions
In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-187.jpg?itok=VwiMcyGY)
Landfill in a Bottle
Source Institutions
In this activity, learners discover how landfills affect the natural environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-525.jpg?itok=PiQ24S7E)
Exploring Products: Nano Fabrics
Source Institutions
In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.