Texas State Energy Conservation Office
Investigation: Making a PV Cell
Rise and shine! Class members collaborate to construct a photovoltaic solar cell with two semiconductor layers, as guided by this fabulous lab sheet. They test its output with an ammeter or galvanometer.
Texas State Energy Conservation Office
Investigation: Heat it Up!
This demonstration of solar ponds can be used in an earth, environmental, or physical science setting. Lab groups set up a solar pond and model how it is able, due to a salt concentration gradient, to maintain heat for future use.
Texas State Energy Conservation Office
Investigation: Waves and Whistles
Wave goodbye to the same old demonstrations for alternative energy sources, and wave hello to this one investigating ocean waves! Using a water bottle to create an oscillating water column, learners see and possibly hear how the...
Texas State Energy Conservation Office
Investigation: Building a Parabolic-Trough Collector
Amateurs of alternative energy build a mini parabolic-trough solar energy collector and use it to heat water. Temperature is recorded over a three-minute period and the data is graphed and analyzed. Note that in order to paint aquarium...
National Renewable Energy Laboratory
Biomass: Biogas Generator
It's a gas. Middle schoolers build a biogas generator following the directions in this resource. After a few days of observation, they demonstrate that the gas given off by the decomposing manure is flammable. The activity concludes as...
Curated OER
Building Your Bridge Building Basics
In this technology activity, students examine the basic principles of bridge building design in order to answer the nine questions with the help of the web links on page 2.
Curated OER
Breaking News English: New Machine Sucks CO2 from the Air
In this English worksheet, learners read "New Machine Sucks CO2 from the Air," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.