Search Results
Showing results 321 to 340 of 660
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-358.jpg?itok=vlj9xW7P)
Design a Submarine
Source Institutions
Learners act as engineers and design mini submarines that move in the water like real submarines.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-605.gif?itok=BFYYP5cl)
Can Energy be Created or Destroyed?
Source Institutions
In this activity, learners explore conservation of energy by experimenting with a solar cell light device.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-705.jpg?itok=S5gHqvcV)
Chocolate (Sea Floor) Lava
Source Institutions
In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-592.gif?itok=BSxF4lpY)
What is a “Convection Cell”?
Source Institutions
In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-590.png?itok=vUnrXyXl)
How does the Atmosphere keep the Earth Warmer?
Source Institutions
In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-335.png?itok=CRarAbFR)
Changing Colors
Source Institutions
In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-502.png?itok=qIB298o1)
Busted by Biology
Source Institutions
In this two-part activity, learners will extract their own DNA from their cheek cells and learn how DNA is analyzed and used to solve crimes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-967.jpg?itok=1FWeJkLi)
Oil Spill Solutions
Source Institutions
In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-683.jpg?itok=IGs_VWBb)
Ice Cream Freeze
Source Institutions
In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-236.png?itok=37vifWFl)
Potion Commotion
Source Institutions
In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-490.jpg?itok=pFJ-1mW6)
Volcanic Material Catapult Investigation
Source Institutions
This activity (located on page 3 of the PDF under GPS: Lava Flow Activity) is a full inquiry investigation into the relationship between an object’s mass and the distance it is thrown by a catapult.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-998.png?itok=PuyXyPrp)
Paper Chromatography with Leaves
Source Institutions
In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-221.png?itok=VVjN9waf)
Operation Espionage
Source Institutions
In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-754.jpg?itok=5jv8j-Hr)
What is in the Water?
Source Institutions
In this activity, learners use open inquiry to learn about the process of science as well as gain experience regarding the Law of Conservation of Mass, dissolution, and density.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-484.gif?itok=66toe9yF)
Crocodiles
Source Institutions
Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-442.jpg?itok=96eWRt2w)
Bent Toward Science: Refraction
Source Institutions
This is an activity about the behavior of light. Using simple, everyday objects, learners will discover that light moves in straight lines until acted upon by another object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-889.gif?itok=sK4MME8B)
Grow Rock Candy
Source Institutions
Learners grow sugar crystals (rock candy). They make a hot solution that has an excess of sugar dissolved in it, then as the solution cools, they see sugar crystals form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-645.gif?itok=mU6P_hOD)
Sweat Spot
Source Institutions
In this activity, learners use a chemical reaction to visualize where moisture forms on the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-927.jpg?itok=ARgq2d6A)
Instant Ice
Source Institutions
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-000-000-003-393.jpg?itok=k8ORMFUB)
How Many Pennies?
Source Institutions
In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.