Search Results
Showing results 281 to 300 of 426
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-725.gif?itok=zdVEcvCV)
Simple Spinner
Source Institutions
In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-106.png?itok=9qMcSGQG)
Parachute Parade
Source Institutions
In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-080.png?itok=nq3AYzLK)
Food Chain Game
Source Institutions
In this outdoor game, learners role play populations linked in a food chain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-157.gif?itok=3Pfs2OhQ)
Using Different Models of Earth
Source Institutions
In this activity, learners explore how the shapes, sizes, and distances of land masses appear differently on two different models of Earth: an icosahedron and a flat map.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-498.jpg?itok=ZCMujaZW)
Zany Zen Garden
Source Institutions
In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-916.jpg?itok=2gxlNoUr)
Paper Table
Source Institutions
In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-355.jpg?itok=V29d0NzP)
Benham's Disk
Source Institutions
In this activity, learners make a Benham Top to explore visual illusions and optics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-147.png?itok=ODu_RXju)
Generations of Traits
Source Institutions
In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-153.jpg?itok=aR55rjzM)
Pick the Risk: The Polygenic Pedigree Challenge
Source Institutions
In this activity, learners are challenged to track and record the passage of colored pom poms (representing genes) through generations of a family using a pedigree.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-735.jpg?itok=zK6vC6u8)
Secret Writing Devices
Source Institutions
In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-917.gif?itok=isHQYI_P)
Rubber Band Car
Source Institutions
In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-499.jpg?itok=T7-5V4UK)
Butter Up
Source Institutions
In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-243.jpg?itok=rJFRlAkN)
Condensation
Source Institutions
In this activity, learners explore the process of condensation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-805.jpg?itok=WJwTiXH9)
CD Spectrometer
Source Institutions
In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-280.jpg?itok=ztRsYKfV)
Using Color to See How Liquids Combine
Source Institutions
Learners add different liquids (water, salt water, alcohol, and detergent solution) to water and observe the different ways the different liquids combine with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-636.gif?itok=nNdYFj4l)
Simple Pop-Up Mechanisms
Source Institutions
In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-178.jpg?itok=K_H9G76j)
No It's Snot
Source Institutions
In this health activity (on page 3 of the PDF), learners will learn about the body‘s defenses against invasion from tiny particles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-520.gif?itok=dv1vITxV)
The Size and Distance of the Planets
Source Institutions
In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-508.jpg?itok=W-lLPcHO)
Chromatography
Source Institutions
In this chemistry activity, learners will separate a mixture of FD&C dyes (colors certified and allowed by the US for the Food, Pharmaceutical, Cosmetics & Personal Care industry) to practice
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-633.png?itok=hL-QXTRL)
Bird Feeders
Source Institutions
In this activity, learners build a bird feeder or feeders to attract birds for observation.