Search Results
Showing results 101 to 120 of 345
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-516.jpg?itok=OohLFBP-)
Exploring Size: Scented Balloons
Source Institutions
In this activity, learners use their sense of smell to explore the world on the nanoscale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-998.jpg?itok=6O0Owt2V)
Water Drop Races
Source Institutions
In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-364.jpg?itok=L9_x6HyB)
Fading Dot
Source Institutions
In this activity, learners play with a fuzzy-colored dot that has no distinct edges seems to disappear. As learners stare at the dot, its color appears to blend with the colors surrounding it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-740.jpg?itok=AD7iFfZs)
Exploring the Solar System: Stomp Rockets
Source Institutions
In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-416.png?itok=G2GQqbhE)
Make Your Own Magnus Glider
Source Institutions
Build a glider that uses the same physics as a curve ball, for less than a dime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-081.jpg?itok=DDRe8pCT)
Hot Stuff!: Testing for Carbon Dioxide from Our Own Breath
Learners blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-826.png?itok=gi_sGWtI)
Valves and Pumps: A Demonstration
Source Institutions
This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-755.jpg?itok=wHRWVUzh)
Solar Flare Flip Book
Source Institutions
In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-511.jpg?itok=-Ar4N6xi)
Dancing Spaghetti
Source Institutions
In this chemistry activity, learners use spaghetti to explore density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-070.jpg?itok=1FQb1WlC)
Bernoulli Levitator
Source Institutions
Demonstrate the Bernoulli Principle using simple materials on a small or large scale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-756.jpg?itok=L-q0j4tI)
Make a UV Detector
Source Institutions
In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-687.jpg?itok=qTersXP0)
Non-Round Rollers
Source Institutions
Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-704.jpg?itok=W_f5MKGH)
Peanut Butter and Jelly Robot
Source Institutions
This is an activity about robotics programming. Learners will discover how precise programmers have to be as they instruct a friend to make a peanut butter and jelly sandwich.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-370.gif?itok=tY_Y_7uA)
Become a Neurologist: Detective Threshold
Source Institutions
In this neuroscience activity (4th activity on the page), learners make their own set of Von Frey hairs to test detection thresholds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-072.png?itok=1oSWLNsl)
Diving Submarine
Source Institutions
Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-714.gif?itok=cN5RyrOU)
A Stand-up Egg
Source Institutions
In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-700.jpg?itok=9Kh2iQPP)
Hot Sauce Hot Spots
Source Institutions
In this activity, learners model hot spot island formation, orientation and progression with condiments.
Six Squares: Geometry and Design
Source Institutions
In this activity, learners take a turn contributing a closed figure made of six squares to a large grid; each must be different from all the others on the grid so far.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-731.jpg?itok=0o9v0Q4O)
Exploring the Solar System: Big Sun, Small Moon
Source Institutions
“Exploring the Solar System: Big Sun, Small Moon” is a hands-on activity that explores the concept of apparent size and allows visitors to experience this phenomena using familiar objects—a tennis bal
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-250.jpg?itok=u8LJC_6l)
Exploring Earth: Land Cover
Source Institutions
This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.