Delta, Delta, Delta
In this experiment, students construct an equilateral triangle using graph paper, pencil, protractor and a ruler. They also make a […]
Hot Air
Students witness light refracting through air everyday.On hot days, “ripples” rise from the ground or roadways. Stars twinkle in the
Spectroscope
This lesson guides students to build a spectroscope, use it as tool, and interpret their observations by applying concepts of
Mirror, Mirror
In this activity, students test the Law of Reflection based on experimental evidence.However, the back-silvered glass mirrors present a twist.
Energy: Tools of the Trade
When we look at a rainbow, we see sunlight spread out into red, orange, yellow, green, blue, and violet. But
How do modern telescopes work?
Telescopes gather light in one of two ways. Reflecting telescopes focus light with a series of mirrors, while refracting telescopes