Across
- 3. a weather system that produces a loud noise due to electrical charges
- 4. to find information
- 6. adjective meaning made from gold, of gold in colour
- 7. a flattened, circular object
Down
- 1. a person who travels into space
- 2. an imperial unit of measurement that is 2.54 centimeters
- 5. someone who works in the field of science to make discoveries