Search Results
Showing results 341 to 360 of 506
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-246.png?itok=wJ75YDaY)
Building a Magic Carpet
Source Institutions
In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-571.gif?itok=Arwv14UX)
Can Nutrients in Water Cause Harm?
Source Institutions
In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-096.jpg?itok=0pDtM4_z)
Racing with the Sun: Creating a Solar Car
Source Institutions
Learners use engineering design principles to construct and test a fully solar-powered car. Solar car kits usually include a photovoltaic cell and motor; some include a chassis as well.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-914.jpg?itok=TfzLV0A-)
Sugar Crystal Challenge
Source Institutions
This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-408.gif?itok=FMnEYSnB)
Bright Lights
Source Institutions
In this activity about electricity, learners imagine that they are out in the wilderness and it is getting dark. Their task is to use the materials supplied to build a simple flashlight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-916.jpg?itok=zgbg8Ao5)
What is a Nanometer?
Source Institutions
This lesson focuses on how to measure at the nanoscale and provides learners with an understanding how small a nanometer really is.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-229.jpg?itok=WB-YF6-t)
The Self-Watering Terrarium
Source Institutions
In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-907.jpg?itok=qD8DkZhu)
Hot Cans and Cold Cans
Source Institutions
Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-953.gif?itok=PXODLPi7)
How Greenhouse Gases Absorb Heat
Source Institutions
Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-509.jpg?itok=kMIinMA9)
Airplane Wing Investigation
Source Institutions
This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-535.png?itok=iDa78nw1)
Shrinking Cups
Source Institutions
This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-521.jpg?itok=SUnstjXd)
Bone Basics
Source Institutions
This is an activity (on page 2 of the PDF under Bone Regrowth Activity) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its flexibility a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-285.jpg?itok=Kc9ad8IT)
Make a Comet Model and Eat It!
Source Institutions
In this activity, learners build models of comets, using edible materials, to learn about comets' structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-929.jpg?itok=E2NuOkGU)
Blimp Jet Challenge
Source Institutions
In this design challenge activity, learners add a jet-propulsion system (i.e. a balloon) to a blimp so it flies straight and far under its own power.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-622.png?itok=6RNN40ft)
Apartment Buildings and More
Source Institutions
In this engineering activity, young learners investigate multi-level buildings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-911.gif?itok=AK2t3Qk_)
Headphone Helper
Source Institutions
In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-640.png?itok=OTTfWpUH)
Liquid Crystals Interact with Light!
Source Institutions
In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-862.jpg?itok=kbDNMXLR)
Wind Power: Creating a Wind Generator
Source Institutions
This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-218.jpg?itok=N0knaCqM)
3...2...1 Puff!
Source Institutions
In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-686.jpg?itok=_Cl37dUL)
Solar Cell Simulation
Source Institutions
In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.