The calculator on the finger tips- Math trick
There is very convenient Math Trick to easily multiply the [...]
Garden
On last two Saturdays, our twenty students were drenched in [...]
Stomp Rocket
The students brainstormed and played with the parts of the [...]
Feel the temperature
When I was at the Exploratorium in San Francisco, I [...]
The Pinhole Investigation
The Pinhole Investigation is a very simple activity, but very [...]
The Fan Cart
The classic physics problem, the action-reaction pairs in Newton’s Third [...]
We can’t believe all that we see
Without a boundary, it's hard to distinguish different shades of [...]
A Simple Oscilloscope
By humming, singing, or talking one can create a variety [...]
Colored Shadows: Not all shadows are black
A prism breaks white sunlight up, spreading its component colors [...]
Blind Spot in our Eye
The eye's retina receives and reacts to incoming light and [...]