Activity
NASA

Speaking in Phases

For Students 9th - 12th
Hear from deep space. Pupils learn how satellites transfer information back to Earth. They learn about three different ways to modulate radio waves and how a satellite sends information with only 0s and 1s. Using sound, class members...
Article
NASA

From Smoke Signals to Cell Phones: Tracing How Technologies Evolve

For Students 6th - 12th
Explore the science of space exploration. Pupils consider technological advances in propulsion, communication, power, navigation, and imaging. They select one of these areas and create a timeline of historical progress that contributed...
Article
US Department of Energy

U.s. Dept. Of Energy: Comparing Light Bulbs [Pdf]

For Teachers K - 1st
A guided activity for students to compare incandescent and CFL light bulbs observing the production of heat and light.
Article
Creative Science Centre

Creative Science Centre: Simple High Temperature Light Bulb Thermometer

For Students 9th - 10th
A very simple electrical resistance thermometer is described that can be built, calibrated and tested in a school laboratory at virtually no cost. With it, flames, focused sunlight and other high temperature sources can be probed. The...