Across
- 3. Used to neutralise indigestion
- 5. Keeps planets in orbit
- 6. Naturally occurring acid
- 8. Found in household cleaning products
- 10. Has a ph of 7 (neutral)in body
Down
- 1. Third planet from the Sun
- 2. Burns through skin and substances
- 4. Biggest star
- 7. One of the dwarf planets
- 9. Ph of 1-6
