Search Results
Showing results 161 to 180 of 502
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-358.jpg?itok=cyjIlLUK)
Our Sense of Sight: Eye Anatomy and Function
Source Institutions
In this activity, learners investigate the sense of sight and develop and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-516.png?itok=cYIuKPyy)
Moving Molecules!
Source Institutions
In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-502.jpg?itok=9U3IWWcI)
Old Faithful Plumbing Investigation
Source Institutions
This activity (located on page 3 of the PDF) is a full inquiry investigation into mapping the underground “plumbing” of geysers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-361.jpg?itok=f6CnoXhr)
Wind Turbine
Source Institutions
Learners build a wind turbine and test it to see how much energy is created.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-614.gif?itok=kWChnB0R)
Cooling the Mummy's Tomb
Source Institutions
In this activity, learners conduct an experiment to help Pharaoh design a better insulated tomb.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-933.gif?itok=YSIj5nDB)
Electric Gamebox Challenge
Source Institutions
In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-927.jpg?itok=i6vJiVNl)
On Target
Source Institutions
In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
Is It Possible: Estimating Measurement
Source Institutions
In this activity, learners will decide together on a question about how far, long or high the group could reach together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-094.png?itok=BB77-_B0)
The Awesome Game Race
Source Institutions
In this engineering activity, learners design their own board games.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-853.jpg?itok=e9beGcWH)
Doghouse Design
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Doghouse Design) is a full inquiry investigation into absorption and reflection of radiant energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-057.jpg?itok=ILj_IjJ9)
Getting Your Bearings
Source Institutions
In this activity, learners explore the concept of friction and how ball bearings reduce friction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-043.jpg?itok=fb-MMfZx)
Making Sense of Sensors
Source Institutions
In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-674.gif?itok=2BTlhBTb)
Pendulum Snake
Source Institutions
In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series of pendulums
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-467.jpg?itok=gR2xDnq9)
Catapult
Source Institutions
In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-576.png?itok=qSt7v9IG)
Equatorial Sundial
Source Institutions
In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-856.png?itok=-FueTzlS)
Harmless Holder
Source Institutions
Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-981.jpg?itok=Dzk9ry5O)
Critical Load
Source Institutions
In this activity, learners explore the concepts of structural engineering and how to measure the critical load, or the maximum weight a structure can bear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-671.jpg?itok=Nm6CnC9m)
Hanford at the Half-Life Radiation Calculator
Source Institutions
This quiz lets you estimate your annual radiation exposure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-255.jpg?itok=95bH1-76)
Handheld Water Bottle Rocket & Launcher
Source Institutions
In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-533.png?itok=PSFWCTBj)
Using a Sundial
Source Institutions
In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.