Search Results
Showing results 141 to 160 of 821
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-923.jpg?itok=Rz_D51gI)
Brick Drop Challenge
Source Institutions
In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-829.jpg?itok=d6a0Bqrc)
Falling Feather
Source Institutions
In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-480.jpg?itok=8KiB3J9h)
DNA Detective
Source Institutions
This activity is about collecting and analyzing DNA as part of a criminal investigation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-678.gif?itok=nhNJZYSn)
Ambiguous Cube
Source Institutions
In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-644.gif?itok=J61CQNH-)
The Game of Life: Stem Cell Edition
Source Institutions
In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.
![](/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-000-000-000-325.png?itok=RzktuoX7)
Great Openings: Slots, 35 Sense, and Hole In One
Source Institutions
These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-701.jpg?itok=bLXGDO1W)
Shell Shifts
Source Institutions
Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-067.jpg?itok=wxIqtN8S)
Soaring Satellites
Source Institutions
Working in small teams, learners try to build a satellite that can float for at least five seconds in the marked area of a vertical wind tube.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-696.jpg?itok=AWf1X9V8)
Make a Totem Pole
Source Institutions
In this activity (on page 2 of PDF), learners make their own totem poles out of recycled materials.
![](/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-000-000-002-587.png?itok=MIgw6sRf)
Why are Compact Fluorescent Bulbs More Efficient?
Source Institutions
In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-133.png?itok=YS8DHzAr)
Spaghetti Bridge
Source Institutions
Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-624.jpg?itok=ol00bV3t)
Party Hat Symmetry
Source Institutions
In this hands-on activity, learners make New Year's Eve party hats out of wrapping paper. Learners use symmetry and measurement to cut out shapes they need to assemble the hats.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-351.jpg?itok=Yjqv9l8V)
Dark Adaptation
Source Institutions
In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-142.jpg?itok=Ii1c_76_)
Finding a Gene on the Chromosome Map
Source Institutions
In this activity, learners use pedigree and jigsaw puzzles to explore how scientists use genetic information from a family to identify a gene associated with a genetic disorder.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-300.png?itok=qA2C7E3s)
Submarine: Soda Cup Lander
Source Institutions
In this activity (on page 2), learners create a submarine using a plastic cup. This is a fun way to learn about buoyancy and density.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-537.jpg?itok=zffVb373)
Beam Me Up!
Source Institutions
This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-724.jpg?itok=xh-xbM5E)
Magical Möbius
Source Institutions
In this tabletop activity (on pages 32-40), learners make Möbius strips -- 3D surfaces with only one side.