Search Results
Showing results 1 to 9 of 9
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-785.gif?itok=oVx2aChU)
Laser Lissajous: PVC Version
Source Institutions
In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-706.jpg?itok=jSwrvRrQ)
Spinning Blackboard
Source Institutions
Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-972.jpg?itok=SoYgYOV7)
Pi Toss
Source Institutions
In this activity, learners explore a surprising method for calculating the mathematical constant pi, known as Buffon's Needle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-786.gif?itok=_W-FGo6g)
Laser Lissajous: Binder Clip Version
Source Institutions
In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-687.jpg?itok=qTersXP0)
Non-Round Rollers
Source Institutions
Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-696.jpg?itok=IMjYyS7j)
Radioactive-Decay Model: Substitute coins for radiation
Source Institutions
Get a roll of pennies, throw them on the ground, then remove those that only show tails, and repeat with the ones left over.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-038.jpg?itok=rwSg7w-g)
Drawing Board
Source Institutions
The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-969.jpg?itok=NjFz0vwB)
Cutting Pi
Source Institutions
In this activity, learners use a string and pair of scissors to find pi in the world all around them. Take the circumference of a round object with string and cut the string to that length.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-736.jpg?itok=uvfOfqef)
Polarized Light Mosaic
Source Institutions
In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required