Across
- 1. circular (bicycle, recycle)
- 3. build or create (construction, structure)
- 5. self (automobile, autobiography)
- 6. sound (phone, saxophone)
- 7. write or draw (autograph, calligraphy)
- 9. carry (portable, transport)
- 10. time (chronological order, chronic)
- 11. throw (eject, projectile)
- 13. heat or warmth (thermal energy, thermometer)
- 16. to hear (audio, audience)
- 17. life (biology, biography)
Down
- 2. letters (literature, literacy)
- 4. hundred (century, centimeter)
- 6. light (photosynthesis, photograph)
- 7. earth (geology, geography)
- 8. stars and outer space (astronaut, astronomy)
- 10. believe (credit, incredible)
- 12. far or distant (telephone, telegram)
- 14. water (hydrate, hydroelectric)
- 15. break or burst (eruption, interrupt)