Search Results
Showing results 1221 to 1240 of 1505
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-154.jpg?itok=oIMfm3f3)
Balloon Car
Source Institutions
In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-878.jpg?itok=rCW8-jE0)
Polar Opposites
Source Institutions
In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-844.png?itok=U6WtftQU)
Building Tall
Source Institutions
In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-071.jpg?itok=SHhJbT_V)
Bernoulli Brain Teasers
Source Institutions
In this activity related to flight, learners conduct two simple tests to explore how lift works.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-717.jpg?itok=ItNzBepT)
Electroscope
Source Institutions
In this activity about electricity, learners suspend pieces of tape from a straw to construct an electroscope, a device that detects an electrical charge.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-961.jpg?itok=noOuFG7V)
Sweet Speedway
Source Institutions
In this activity, learners test different food items by timing how long it takes each liquid to slide from the top of a ramp to the bottom.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-830.png?itok=jqd0vYid)
Great Steamboat Race
Source Institutions
In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-034.png?itok=73WAe8tX)
Safe in the Sun
Source Institutions
In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-603.jpg?itok=y3wjgd2O)
Saguaro Nest Cavities
Source Institutions
This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-171.jpg?itok=zsWvWpqT)
Flip
Source Institutions
In this amazingly simple physics activity (page 5 of the PDF), learners will explore how exerting a force on an object can give it kinetic energy and momentum.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-020.png?itok=OCpzK8i7)
Milli's Insulation Investigation
Source Institutions
In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-617.jpg?itok=-TIfGxS4)
Sail Car Design
Source Institutions
This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-008.png?itok=HyvvvbfK)
Paint a Fresco
Source Institutions
In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-501.png?itok=RSYqG13v)
Double Replacement Micro-Reactions
Source Institutions
In this chemistry activity, learners use common chemicals to examine reactions that occur between two aqueous solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-712.jpg?itok=6w3-ctnv)
Algebra: Aw Chute!
Source Institutions
In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-515.jpg?itok=hhAOi8BR)
Exploring Magnetic Field Lines
Source Institutions
In this activity, learners explore the magnetic field of a bar magnet as an introduction to understanding Earth's magnetic field. First, learners explore and play with magnets and compasses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-398.jpg?itok=y8mNPt-e)
From the Ground Up
Source Institutions
In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-529.jpg?itok=yeeFMBlZ)
Shimmering Lenses
Source Institutions
In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-236.jpg?itok=gyuijNkm)
Finger Basketball
Source Institutions
In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-606.png?itok=LTqLI1vr)
Breaking the Tension: Surface Tension 1
Source Institutions
Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.