Search Results
Showing results 121 to 140 of 419
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-570.gif?itok=0bFvmKdA)
Glow Up
Source Institutions
In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-804.jpg?itok=dMR3U2wO)
Build a Rocket - and a Launch Pad!
Source Institutions
In this activity, learners construct a rocket powered by the pressure generated from an effervescing antacid tablet reacting with water, and build a launch pad for their rocket.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-955.jpg?itok=Mtt7d2U-)
Under Pressure
Source Institutions
In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-969.jpg?itok=CNeE150p)
Make a Terrarium
Source Institutions
In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-014.gif?itok=syNshIoL)
Rocket Science
Source Institutions
Learners create a small explosion by collecting hydrogen and oxygen gas together and squeezing them into a flame.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-115.jpg?itok=TbgS2uc2)
Camera Projector
Source Institutions
In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-460.jpg?itok=TIUyWvZh)
LEGO Orrery
Source Institutions
Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-883.png?itok=-9aahLXL)
How Do We Convert Electrical Energy into Mechanical Energy?
Source Institutions
In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-811.jpg?itok=Xrzk0LA8)
Marshmallow Catapult
Source Institutions
In this activity, learners explore physics by building a catapult that launches marshmallows with household objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-954.gif?itok=V9iFbnvM)
Using Solar Energy
Source Institutions
In this activity, learners discover how solar energy can be used to heat water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-689.jpg?itok=XobZSBIu)
Geothermal Power Plant Model
Source Institutions
In this activity, learners make a model of a power plant that uses steam. Learners use simple materials like foil, a tin can, and a pot of water to model a geothermal power plant.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-662.jpg?itok=LyIWZJaB)
Biobarcodes: Antibodies and Nanosensors
Source Institutions
In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-663.jpg?itok=YT3zX0s-)
Aerogel
Source Institutions
This activity/demo introduces learners to aerogel, a glass nanofoam. Learners discover how aerogel is made and how well it insulates as well as learn about aerogel's other unique properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-705.jpg?itok=LMGNJNJ9)
Rubber Band Racer
Source Institutions
In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-639.gif?itok=wc97pwUq)
Evolution in Plane Sight
Source Institutions
In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-167.png?itok=uEuoi3Pq)
Clap Sensor: Build a Sound Sensor Using a Pico Cricket
Source Institutions
This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-230.jpg?itok=lFvJ70aT)
Speedboat
Source Institutions
In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-439.jpg?itok=Vx5i0QRT)
Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-825.png?itok=aCshT2wN)
Shrinkers
Source Institutions
In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.