Across
- 5. _______comes from the words photo meaning light and volt
- 7. When the PV cell is placed in the sun, the radiant energy energizes the _____ electrons.
- 8. Photovoltaic cells are also called PV cells, or _____ cells
Down
- 1. Solar cells are made of two thin pieces of __________?
- 2. The p-layer has a _______ charge.
- 3. One piece of silicon has a small amount of _____ added to it.
- 4. A __________ field is formed between the two layers of silicon when the sun shines on it.
- 6. Solar-powered toys, __________, and roadside telephone call boxes all use solar cells to convert sunlight into electricity.