Search Results
Showing results 241 to 260 of 729
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-225.jpg?itok=KofhoiWd)
Paddle Boat
Source Institutions
In this activity, learners build an old-fashioned paddle boat out of simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-601.png?itok=C13JaWp0)
Above Water: Buoyancy & Displacement
Source Institutions
In an investigation called "Shape It!" learners craft tiny boats out of clay, set them afloat on water and then add weight loads to them, in order to explore: how objects stay afloat in water; what th
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-412.gif?itok=47WkSmCK)
Rippin' Rockets
Source Institutions
In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-374.png?itok=drQbeaf_)
Kites
Source Institutions
In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-167.png?itok=uEuoi3Pq)
Clap Sensor: Build a Sound Sensor Using a Pico Cricket
Source Institutions
This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-543.png?itok=h_wbfpeu)
Weighty Questions
Source Institutions
In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-073.jpg?itok=tW8PeYeq)
A Merry-Go-Round for Dirty Air
Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-033.jpg?itok=dqs6UL45)
Does Size Make a Difference?
Source Institutions
In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-224.jpg?itok=SXL_8MHs)
Glider
Source Institutions
In this activity, learners construct a paper glider to experiment with aerodynamic forces.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-407.gif?itok=-Q53O_cU)
Control the Flow
Source Institutions
In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-230.jpg?itok=lFvJ70aT)
Speedboat
Source Institutions
In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-919.jpg?itok=5Zr72B7C)
Try Your Hand at Nano
Source Institutions
This lesson focuses on two simple activities that younger learners can do to gain an appreciation of nanotechnology. First, learners measure their hands in nanometers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-411.gif?itok=bpmNj6Yj)
Rockets Away!
Source Institutions
In this activity, learners work in teams to construct and test fly drinking straw rockets. Learners explore how changing the rockets' fins affect flight distance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-405.gif?itok=5V7gNcC_)
Fork in the Road
Source Institutions
In this activity about electricity, learners identify parallel and series circuits. First, learners examine and label diagrams of complete circuits.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-825.png?itok=aCshT2wN)
Shrinkers
Source Institutions
In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-613.jpg?itok=m0wiaTy1)
Make Your Own Batteries!
Source Institutions
This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-926.jpg?itok=_zBosHkh)
Paddle Power
Source Institutions
In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-932.gif?itok=MNmkjq5g)
Hidden Alarm
Source Institutions
In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-412.jpg?itok=aenbXsCu)
That's the Way the Ball Bounces: Level 1
Source Institutions
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-517.png?itok=BlmZ2mF-)
Traveling Nanoparticles Model
Source Institutions
This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.