Search Results
Showing results 141 to 160 of 218
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-112.png?itok=gK4Bqqsy)
Sink or Swim?
Source Institutions
In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.
![](/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.
Simple Submarine
Source Institutions
Using simple, inexpensive items, learners build and test submarine models.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-391.jpg?itok=Sy2ug8u0)
Sea Turtle First Aid Investigation
Source Institutions
This activity (located on page 4 of the PDF under GPS: Sea Turtles Activity) is a full inquiry investigation into testing a repair material.
![](/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-000-000-003-914.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-000-000-001-378.png?itok=ouC62dLu)
Home Water Audit
Source Institutions
This activity offers learners and their families several ways to raise their awareness together about home water.
![](/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-000-000-002-145.jpg?itok=T76gYF1H)
Measure the Pressure II: The "Dry" Barometer
Source Institutions
In this activity, learners use simple items to construct a device for indicating air pressure changes.
![](/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-000-000-001-797.gif?itok=9uSd_B4Q)
Paper Tape Motion Timer
Source Institutions
In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
![](/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-000-000-001-595.jpg?itok=eqbdXp5Z)
Weather Forecasting
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-123.jpg?itok=8rEFdZ-Q)
Breaking Beams
Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-324.jpg?itok=rQfeu318)
Zero-Energy Housing
In this activity, learners investigate passive solar building design with a focus solely on heating.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-325.jpg?itok=Z52LHb9Q)
Oil Spill Cleanup
This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-594.jpg?itok=OQzO6nVI)
LEGO Robots
Source Institutions
This activity (on page 2 of the PDF under GEMS Activity) is a full inquiry investigation into technology design and testing.