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Direct linkRoman, Harry T. – Tech Directions, 2011
With some simple metal samples and common household liquids, teachers can build wet cell batteries and use them to teach students about batteries and how they work. In this article, the author offers information that is derived from some simple experiments he conducted in his basement workshop and can easily be applied in the classroom or lab. He…
Descriptors: Technology Education, Teaching Methods, Science Experiments, Laboratories
Roman, Harry T. – Tech Directions, 2011
With some simple metal samples and common household liquids, teachers can build wet cell batteries and use them to teach students about batteries and how they work. In this article, the author offers information that is derived from some simple experiments he conducted in his basement workshop and can easily be applied in the classroom or lab. He…
Descriptors: Technology Education, Teaching Methods, Science Education, Science Teachers
Kornoelje, Joanne; Roman, Harry T. – Tech Directions, 2011
Educators at Thomas A. Edison Middle School have worked together to bring invention information and activities to life. One activity in particular, Ping-Pong Ball Invention Challenge, has proven a great success. The Ping-Pong Ball Invention Challenge was inspired by the basic rules for PBS's "Design Squad"'s "Pop Fly" activity. In this article,…
Descriptors: Middle School Students, Intellectual Property, Middle Schools, Class Activities
Roman, Harry T. – Tech Directions, 2004
Over the past 25 years, the author has had the opportunity to study the subject of solar energy and to get involved with the installation, operation, and testing of solar energy systems. His work has taken him all over the United States and put him in contact with solar experts from around the world. He has also had the good fortune of seeing some…
Descriptors: Energy, Energy Education, Power Technology, Hands on Science
