Across
- 4. - a picture made by using a camera
- 8. - a device used to communicate over long distances
- 10. - a person who helps people or institutions
Down
- 1. - the study of life
- 2. - lack of proper nutrition
- 3. - the study of way sounds are used in a language
- 5. - the chemical used in the lead of a pencil
- 6. - when something works without human control
- 7. - someone who studies Earth and the structure of it.
- 9. - a device used to measure temperature