Search Results
Showing results 21 to 40 of 228
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-654.jpg?itok=2asbLN2W)
Gravity Fail
Source Institutions
In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-100.jpg?itok=qeF1LfEc)
Citizen Science at Home
Source Institutions
In this activity, learners will be introduced to citizen science projects that can be done from home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-655.jpg?itok=g01f1ZG7)
Gummy Shapes
Source Institutions
In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-485.png?itok=guP2shnY)
Waterproof Hanky
Source Institutions
In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-533.jpg?itok=kOdMnKLF)
An Ice Lens
Source Institutions
In this optics activity, learners discover basic lens-making techniques by using a tennis ball to make a lens out of ice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-774.jpg?itok=FTR0MS3p)
Counting With Quadrants
Source Institutions
Millions of organisms can live in and around a body of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-502.jpg?itok=29FMlgkB)
Nebula in a Jar
Source Institutions
In this activity, learners will build a model of a nebula using cotton balls and colored water. Astronomers photograph nebulas and add colors to provide information about the nebula's composition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-708.gif?itok=WWc3JyQ3)
Whose Fault Is It?
Source Institutions
In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-396.jpg?itok=ld-vG2_u)
Jem's Pykrete Challenge
Source Institutions
In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-423.jpg?itok=OE0RcLOs)
Introduction to the New Chain Gang
Source Institutions
In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-437.png?itok=zwB1E7js)
Flashy Fish
Source Institutions
Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-245.png?itok=286vjGvp)
Crash Landing!
Source Institutions
In this activity, groups cut out and sort cards showing items recovered from a crash landing on the Moon. The 12 items range from food and water to rope and matches to a self-inflating life raft.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-392.jpg?itok=Q7YzuD8d)
Rubber Band Thermodynamics
Source Institutions
In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-397.jpg?itok=jmvEMSbB)
What Smart Metal!
Source Institutions
In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-937.jpg?itok=aCMtXqoI)
The Stroop Effect
Source Institutions
In this activity, learners experiment with the Stroop Effect by challenging themselves and others to try and read a list of colors as quickly and accurately as possible, with a twist.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-506.jpg?itok=VzI1pBCZ)
Sound Dampeners
Source Institutions
In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-234.jpg?itok=6-tWz7Co)
Salts & Solubility
Source Institutions
In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-308.gif?itok=UpyYa441)
Lava Lamps
Source Institutions
Learners observe working lava lamps to understand how they work (included in PDF link).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-510.jpg?itok=HAqHqD2Y)
Paper Towel Strength
Source Institutions
In this activity, learners will test the strength of different brands of paper towels.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-293.png?itok=4GDDC7AY)
Rock Pioneers
Source Institutions
In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.