Search Results
Showing results 21 to 40 of 44
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-566.png?itok=5eACS57p)
Mirror, Mirror
Source Institutions
In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-141.jpg?itok=UIph4ma0)
Cardboard Opaque Projector
Source Institutions
In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-401.gif?itok=nPz6ngNM)
The Senses of "Unknown Creatures"
Source Institutions
In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-546.jpg?itok=HGQcLN-6)
Iridescent Art
Source Institutions
This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-749.jpg?itok=UIT5d4EF)
How Our Environment Affects Color Vision
Source Institutions
In this lab (Activity #1 on page), learners explore how we see color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-143.jpg?itok=X94dxWx2)
Cardboard Box Camera Obscura
Source Institutions
In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.
![](/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-000-000-001-939.jpg?itok=hQ2cZ1LG)
Heavy or Light
Source Institutions
In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-890.jpg?itok=5go5TJa8)
Wire Maze
Source Institutions
Learners create an electrical-circuit maze out of wire, then try to pass a paperclip through the maze without touching the wire.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-247.jpg?itok=j0spO-8I)
Periscope
Source Institutions
In this activity, learners construct a device that allows them to look over ledges or around corners.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-952.png?itok=vpuF--fP)
Telescoping Periscope
Source Institutions
In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.
![](/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-000-000-001-448.jpg?itok=ifbqzp4u)
Where Do We Choose to Live and Why?
Source Institutions
In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-134.jpg?itok=O8AVW1dM)
Diet Light
Source Institutions
In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-185.jpg?itok=US1AV6nk)
Spots, Lines and Lasers
Source Institutions
Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-445.jpg?itok=TAryZ4vx)
Tissue Paper Spray Art
Source Institutions
In this activity, learners observe color mixing and absorbency using colored tissue paper and spray bottles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-336.png?itok=h5Er-4Pm)
Sunblock Investigation
Source Institutions
In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-603.gif?itok=-4_tnRNc)
Can You "See" Thermal Radiation?
Source Institutions
Use this hands-on activity to demonstrate infrared and thermal radiation.
![](/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-000-000-001-934.gif?itok=s-fWzvdl)
Dance Pad Mania
Source Institutions
Make your own "Dance Dance Revolution" dance pad! In this design challenge activity, learners work in teams to build a dance pad that lets you use your feet to sound a buzzer or flash a light.