Search Results
Showing results 81 to 100 of 281
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-620.png?itok=DcpKvKkI)
Submersibles and Marshmallows
Source Institutions
In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-967.jpg?itok=DwaHdqmF)
Height Sight
Source Institutions
In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-973.jpg?itok=LwN29_YJ)
Make a Comet on a Stick
Source Institutions
In this activity, learners craft their own model of a comet on a stick to make it fly around the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-783.jpg?itok=CrxoOyj1)
Water Underground
Source Institutions
Many people get water from a source deep underground, called groundwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-077.jpg?itok=8Hjq_lJA)
Prehistoric Climate Change
Source Institutions
In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-032.png?itok=b0aWIjmk)
Water: Clearly Unique!
Source Institutions
In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-624.png?itok=KrqUVDMt)
Spill Spread
Source Institutions
In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-374.png?itok=drQbeaf_)
Kites
Source Institutions
In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-073.jpg?itok=tW8PeYeq)
A Merry-Go-Round for Dirty Air
Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-512.gif?itok=ZQrcFHJN)
Eclipse Flipbook
Source Institutions
In this activity, learners make flipbooks of drawings showing the progression of a Total Solar Eclipse.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-067.jpg?itok=Fz0uaORM)
Mountain Mash
Source Institutions
Learners model the processes that formed some of Earth's largest mountain ranges: the Himalayas, the Andes, and the Alps.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-741.jpg?itok=fQiV-04k)
Exploring the Solar System: Mars Rovers
Source Institutions
In "Exploring the Solar System: Mars Rovers," participants learn about how scientists and engineers use robotic rovers and other vehicles to explore distant worlds, and experience some of the challeng
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-628.png?itok=fxE0B9tr)
Penny Rubbing
Source Institutions
In this art-related activity, learners make a coin rubbing—a process similar to what archeologists may do with ancient artifacts. This activity can be used in connection with a history or art lesson.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-375.png?itok=qpgheNKq)
What Causes Wind?
Source Institutions
In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-021.jpg?itok=Q12iQc9_)
DIY Sunprints
Source Institutions
In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-366.png?itok=pR7OfIkb)
Earthquake Science: Soil Liquefaction
Source Institutions
This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-348.jpg?itok=GzOIAfZ7)
Wet Art
Source Institutions
In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-601.png?itok=uJt8Z79u)
What does Color have to do with Cooling?
Source Institutions
In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-693.jpg?itok=AZ43fTrT)
Pie-Pan Convection
Source Institutions
It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-265.jpg?itok=9yNESjfy)
Standing in the Shadow of Earth
Source Institutions
This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.