Search Results
Showing results 581 to 600 of 641
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-214.gif?itok=GJ_QD6Ck)
Geodesic Gumdrops: Candy and Toothpick Architecture
Source Institutions
This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-007.gif?itok=Z7nmV5zW)
Resistance is Useful
Source Institutions
Learners write or draw with white crayon on white paper. They look and feel to detect their marks on the paper. Then, learners paint over their paper with watercolor paint.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-630.png?itok=p-McJpvb)
Apples with Appeal
Source Institutions
In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-466.png?itok=Vg8Ez4IC)
Alike and Different
Source Institutions
This activity (on pages 7-13) has pairs of learners survey an array of similarities and differences between them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-764.jpg?itok=SufukBiw)
Blowin' in the Wind
Source Institutions
In this weather activity, learners build their own wind detector and test for the presence of convection currents in their indoor location.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-432.jpg?itok=OC3Bx0l9)
Alien Encounter
Source Institutions
In this activity, learners use multiplication skills to get groups of aliens safely back to their planet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-477.jpg?itok=LhstA8Cn)
Balloon Kebabs
Source Institutions
In this demonstration, learners observe the effects of density and pressure by attempting to make "balloon kebabs." Learners will try to insert a wooden skewer all the way through an inflated balloon
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-117.jpg?itok=TX7iSrLh)
What's Hiding in the Air?: Rubber Band Air Test
Learners build devices from rubber bands to test for invisible air pollutants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-185.jpg?itok=I9EZ7Pdp)
Changing Colors
Source Institutions
In this activity, learners will explore how different colors of lights interact with objects around them. Will a blue object stay blue with a red filter?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-510.jpg?itok=ChnNQRSS)
Combustion
Source Institutions
In this chemistry activity, learners discover that the weight of the product of combustion is greater than that of the starting material.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-410.jpg?itok=3xTvEX1F)
Round & Round
Source Institutions
In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-034.jpg?itok=2TmlDBW6)
Exploding Baggie
Source Institutions
In this activity, young learners will experiment with a basic chemical reaction and observe what happens when gas gets trapped! Activity includes step-by-step instructions, safety notes and more.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-227.jpg?itok=0xRQ6Val)
Chirping Bird
Source Institutions
In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-018.jpg?itok=VRrpCZWv)
Fireworks in a Glass
Source Institutions
In this activity, learners use water, oil, and food coloring to observe a chemical reaction that creates a shower of colors inside of a glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-414.jpg?itok=RqKCbJBx)
Family Flyers
Source Institutions
In this activity, learners work in teams to build and test paper airplanes. Learners try to fly their airplanes directly on the runway and earn points for accuracy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-613.png?itok=YN-QQAQO)
Sounds of the Heart
Source Institutions
In this activity, learners will investigate the sounds of the heart.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-713.jpg?itok=IV-V_hkR)
Computation and Estimation: Alphabits
Source Institutions
In this math lesson, learners apply the concepts of ratios and percentages to the distribution of letters contained in a box of Alphabits® cereal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-500.gif?itok=_SVyqqFy)
Gas Producing Micro-Reaction
Source Institutions
In this chemistry activity, learners use common chemicals and metals to examine reactions that produce gaseous substances.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-050.jpg?itok=u_CGN1nF)
Puff Car
Source Institutions
In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-243.jpg?itok=tWT2KQ9C)
Milk Plastic
Source Institutions
In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.