Search Results
Showing results 621 to 640 of 948
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-619.jpg?itok=SX5njDQw)
Exploring Ramps
Source Institutions
This guide features three related ramp explorations in which learners investigate the following science concepts: when placed on a ramp, some objects roll, others slide, and others stay put; the shape
![](/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-000-000-004-310.png?itok=3XhkT87c)
Super Golf Tower
Source Institutions
In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-533.jpg?itok=hpL5hb0Q)
Gecko Feet
Source Institutions
This is an activity (located on page 3 of PDF under Gecko Feet Activity) about modeling a nanoscale phenomenon (gravity-defying gecko feet) with macroscale objects (shoes).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-304.png?itok=6Px2WRcD)
Glider
Source Institutions
In this activity, learners construct paper airplanes that twist and turn.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-608.jpg?itok=OL19PTIX)
Cup Draw (Low Tech)
Source Institutions
In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-609.gif?itok=JaPTl_9x)
Cup Draw
Source Institutions
In this activity, learners construct drawing machines using a cup, some markers, and a cricket to control the movement. A programmed LEGO RCX or Cricket is required for this high-tech version.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-184.jpg?itok=sZzOkOVD)
How Thick is Your Hair?
Source Institutions
In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-311.png?itok=eLvje9Ex)
Spool Racer
Source Institutions
In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-526.png?itok=tu74uLgT)
Self-Assembling Dessert Toppings
Source Institutions
This is an activity (located on page 3 of the PDF under Self-Assembly Activity) about self-assembly, the ability of molecules to assemble themselves according to certain rules.
![](/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-000-000-003-525.jpg?itok=PiQ24S7E)
Exploring Products: Nano Fabrics
Source Institutions
In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-015.png?itok=ERBPDS8C)
Glitter Slime
Source Institutions
In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-029.png?itok=-a4lkmoQ)
Spaghetti Strength
Source Institutions
In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.
Simple Submarine
Source Institutions
Using simple, inexpensive items, learners build and test submarine models.
![](/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-000-000-003-041.jpg?itok=Y4NqV5FI)
Liquid Crystal Thermometers
Source Institutions
In this activity, learners explore liquid crystal thermometers to observe how heat flows by conduction, convection, radiation, and evaporation.
![](/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-000-000-003-082.jpg?itok=PsNpnXc6)
Hot Stuff!: Creating and Testing for Carbon Dioxide
In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas.