Search found 3 matches
- Wed Aug 08, 2007 5:40 am
- Forum: Energy Science
- Topic: When to replace inefficient appliances
- Replies: 3
- Views: 16213
Compact Fluorescent lights
To reiterate the point of my last post, I am all for saving energy in any means possible and I am a big supporter of compact fluorescent lights. However, unscrupulous manufacturers can create a substandard product that looks like a quality product but does not WORK light the real thing. There is gre...
- Tue Aug 07, 2007 8:52 am
- Forum: Energy Science
- Topic: When to replace inefficient appliances
- Replies: 3
- Views: 16213
Fluorescent Bulb Quality varies
I started using fluorescent bulbs when they cost about $15 and were supposed to last 15 years. Lately the price seems to have come down but so has the longevity. I have made a habit of writing the date that a bulb was installed on the base of the bulb. I recently replaced a compact fluorescent date...
- Tue Aug 07, 2007 8:31 am
- Forum: Lesson Plans
- Topic: teaching energy
- Replies: 3
- Views: 17511
defining energy
Hi Energy Teachers, I was just at a week long workshop for K-12 teachers in PA on environment and ecology. I asked the question of how to teach students what energy is to my ninth grade Biology students and did not got an adequate answer. "The ability to do work" definition leads conceptua...