Search Results
Showing results 401 to 420 of 1055
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-995.png?itok=rkvt-Nt1)
Avogadro's Bubbly Adventure
Source Institutions
In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-981.jpg?itok=Dzk9ry5O)
Critical Load
Source Institutions
In this activity, learners explore the concepts of structural engineering and how to measure the critical load, or the maximum weight a structure can bear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-759.jpg?itok=6Nbm7sc8)
Plankton Feeding
Source Institutions
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-671.jpg?itok=Nm6CnC9m)
Hanford at the Half-Life Radiation Calculator
Source Institutions
This quiz lets you estimate your annual radiation exposure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-255.jpg?itok=95bH1-76)
Handheld Water Bottle Rocket & Launcher
Source Institutions
In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-533.png?itok=PSFWCTBj)
Using a Sundial
Source Institutions
In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-050.jpg?itok=8zbHYqfR)
Pulleys and Force
Source Institutions
In this activity, learners explore the concept of force and how pulleys are used in everyday life to make work easier.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-044.jpg?itok=aqEnjdsN)
Measuring the Wind
Source Institutions
In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-940.jpg?itok=RymX7Kza)
Gravity Launch
Source Institutions
In this online game, learners attempt to send a rocket ship to various targets. Learners can adjust the angle and thrust of the rocket before it is launched.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-897.jpg?itok=0IpsnpuI)
The Great Balloon Race
Source Institutions
In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-868.gif?itok=DZUUrLvl)
Make a DNA Model
Source Institutions
In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-854.jpg?itok=w2PExNYo)
Conduction Countdown
Source Institutions
In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-905.jpg?itok=03BMO_Ud)
Anti-Gravity Chamber
Source Institutions
In this activity, learners will use magnets and household items to create a structure that allows paperclips to appear like they are floating.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-642.png?itok=EMJ_TMvU)
Simple Machine Challenge
Source Institutions
In this activity, learners are challenged, using everyday objects, to create simple machines to complete specific tasks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-272.png?itok=RxBqjX3c)
Sun Prints
Source Institutions
This activity uses a special paper that can create images with exposure to the Sun. Collect objects of different shapes and sizes and use them to make interesting patterns on your sun print.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-656.jpg?itok=UzdzJ7Wy)
Color Contrast
Source Institutions
Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-366.jpg?itok=D7tM5xpJ)
Egg Bungee
Source Institutions
Learners attach an egg to a rubber-band bungee cord and drop the egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-175.jpg?itok=V9U-fk8X)
¡Paracaídas!
Source Institutions
En esta actividad, los participantes explorarán las fuerzas de gravedad y la resistencia al aire usando paracaídas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-613.gif?itok=8HktbkCh)
Raceways
Source Institutions
In this activity, learners build a model roller coaster to help the Mummy entertain the Atom's Family monsters. Learners assemble the roller coaster between two chairs using vinyl ceiling molding.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-908.jpg?itok=xZRYMqHq)
Kinetic Sculpture
Source Institutions
In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.