Search Results
Showing results 801 to 820 of 822
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-901.jpg?itok=LvgT-4tE)
How to Test The Strength of Shapes
Source Institutions
In this activity, learners explore the strength of different shapes. Fold paper into triangles, squares, and other shapes, then experiment with how much weight they can hold.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-302.jpg?itok=S8kW-JH9)
Beach Buckets
Source Institutions
In this activity, learners explore a bucket of sand and beach objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-247.jpg?itok=ZBDdjp4R)
What's in the Water
Source Institutions
"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-732.jpg?itok=aHT2JhD0)
Exploring the Solar System: Solar Eclipse
Source Institutions
Exploring the Solar System: Solar Eclipse” is a hands-on activity demonstrating how the particular alignment of the Sun, Earth, and Moon can cause an eclipse.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-509.jpg?itok=E61hpibW)
From Farm to Table
Source Institutions
In this activity, learners imagine the path their food takes from planting a seed, all the way to sitting on their kitchen counters. Explore concepts for each step food takes to reach your home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-893.jpg?itok=puJSjqKl)
Crazy Camouflage
Source Institutions
In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-281.png?itok=XYfbgMtv)
Scytale Messages
Source Institutions
In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-207.png?itok=fYr-IICb)
Crazy About Kites
Source Institutions
In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-295.png?itok=R4PrPQbV)
Flinker
Source Institutions
In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-549.jpg?itok=jri7ePXg)
Spinning Your (Color) Wheels
Source Institutions
In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-855.png?itok=VFZzqP3l)
Constellation Detective
Source Institutions
In this quick activity, learners practice locating a constellation in a map of very dark skies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-690.jpg?itok=SxLt-zEc)
Overlapping Spots: Make a bright spot brighter
Source Institutions
This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-323.png?itok=rvdY3PTE)
Afterimage
Source Institutions
In this optics activity, learners investigate afterimages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-920.jpg?itok=gcmDW_Ox)
Hot Spoons
Source Institutions
In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-908.jpg?itok=fHFCeWeH)
Snake
Source Institutions
In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-492.jpg?itok=KkkJB7t7)
Newspaper Bridges
Source Institutions
In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.
Coat Hanger Chimes
Source Institutions
In this physics activity (page 4 of the PDF), learners will--using nothing more than a coat hanger and some string--explore and understand sound energy and how it moves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-367.jpg?itok=-q4YXpwR)
Sock It To Me!
Source Institutions
In this activity (7th activity on the page), learners use their sense of touch to identify mystery objects hidden in socks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-242.jpg?itok=c6prVQMD)
Minibot
Source Institutions
In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-051.jpg?itok=89-K5Rvw)
Convection
Source Institutions
In this activity, learners model atmospheric convection currents using food coloring, water, and clear cups. Activity includes step-by-step instructions, STEM connections, and more.