Across
- 3. appliances such as electric heaters, electric ovens, and toasters use these to turn current into heat.
- 5. an extended period of abnormally low rainfall, leading to a shortage of water.
- 6. the branch of science concerned with the nature and properties of matter and energy
Down
- 1. something made without preparation or with only what was available
- 2. This is a semiconductor device that acts as a one way switch for current.
- 4. pulled tightly so there is no slack
- 5. A generator