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Showing results 1 to 13 of 13
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Decomposition Column
Source Institutions
In this activity, learners turn empty 2-liter bottles into a see-through compost container.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-143.jpg?itok=Tx4Pip5_)
Does Sunscreen Protect My DNA?
Source Institutions
In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-289.png?itok=b9p-C7DZ)
Temperature vs. Height: Soda Geyser Series #6
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In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-927.jpg?itok=ARgq2d6A)
Instant Ice
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In this activity, learners observe a quick phase change as water rapidly goes from a liquid state to a solid state.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-220.jpg?itok=a-RO4Ga2)
Rocket Wind Tunnel
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-557.gif?itok=gQRC6_sv)
TerrAqua Investigation Column: What is the Land-Water Connection?
Source Institutions
In this investigation, learners plant seeds in a 2-liter bottle filled with soil that is connected to a water source below. Over the next few weeks, learners observe how the plants grow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-290.png?itok=01QILuIJ)
Number of Mentos vs. Height: Soda Geyser Series #5
Source Institutions
In this activity, learners conduct a controlled experiment to examine how many Mentos are needed to make the tallest possible soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-291.jpg?itok=_C1Pw06G)
Soda Brand vs. Height Experiment: Soda Geyser Series #4
Source Institutions
In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-226.png?itok=jsGwA2Ry)
Super Soil
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.
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Electricity: Fruit Batteries
Source Institutions
In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-221.png?itok=6kbVkTas)
Wind Tubes
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In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-559.png?itok=YYpkpJOB)
Kimchee Fermentation Chamber
Source Institutions
Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-174.jpg?itok=ZZ6_KJX-)
Outbreak!: Investigating Epidemics
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A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.