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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
Source Institutions
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-000-000-001-290.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-000-000-001-392.gif?itok=8ejVQPiy)
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
Source Institutions
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-000-000-003-673.jpg?itok=fa5r-FQg)
Photolithography
Source Institutions
In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.