Search Results
Showing results 221 to 240 of 622
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-307.jpg?itok=vHb7oh7y)
Making Waves
Source Institutions
Investigate the interaction of liquids of different densities and experiment with wave patterns with this hands-on activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-232.jpg?itok=XFmttdNW)
Can Crushers
Source Institutions
In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-010.jpg?itok=KJmbpgmd)
Be A Pasta Food Scientist
Source Institutions
In this activity, learners of all ages can become food scientists by experimenting with flour and water to make basic pasta.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-626.png?itok=ZnaDped2)
Homegrown Xylophone
Source Institutions
In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-521.jpg?itok=KwO1BPD_)
Exploring Products: Nano Sand
Source Institutions
In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-094.jpg?itok=Ruhh7v8S)
Condiment Diver
Source Institutions
In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-631.png?itok=1Wetf8cQ)
Marshmallow Models
Source Institutions
No glue is needed for learners of any age to become marshmallow architects or engineers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-633.png?itok=eljpsO15)
Density Stackers
Source Institutions
In this activity, learners investigate density as they discover how liquids separate to form density layers. Learners discover what happens when they add syrup, cooking oil, and water to a jar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-146.jpg?itok=3vkcmU25)
Measure the Pressure: The "Wet" 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-000-000-000-688.jpg?itok=28Wj8pQS)
Inner Space
Source Institutions
In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-242.jpg?itok=G7PWtc1G)
Exploring Moisture on the Outside of a Cold Cup
Source Institutions
In this activity, learners explore the relationship between cooling water vapor and condensation. Learners investigate condensation forming on the outside of a cold cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-786.jpg?itok=nkWaWfQ6)
Runaway Runoff
Source Institutions
When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-776.jpg?itok=00IgAbtK)
Super Soaker
Source Institutions
In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-519.gif?itok=Qs6D0rbV)
Global Climate Change and Sea Level Rise
Source Institutions
In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-306.png?itok=m8djA0pV)
Chromatography
Source Institutions
In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-234.jpg?itok=MRRGHaYP)
Meltdown
Source Institutions
In this activity, learners heat ice and water of the same temperature to get a hands-on look at phase changes. This is an easy and inexpensive way to introduce states of matter and thermodynamics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-487.gif?itok=FfQNCpzA)
Sink or Swim?
Source Institutions
Learners observe a tank of water containing cans of diet and regular sodas. The diet sodas float and the regular sodas sink. All the cans contain the same amount of liquid and the same amount of air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-878.jpg?itok=kh4wJULB)
The Best Dam Simulation Ever
Source Institutions
This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-483.gif?itok=ebTdzKjr)
Divers
Source Institutions
Learners experiment with a 2-liter plastic bottle containing water and four “divers." The divers consist of open, transparent containers with the opening points downward.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-195.jpg?itok=HyaAAfWk)
Physics in the Sky: Physics on a Plane
Source Institutions
On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes.