Across
- 2. How many planets in the solar system
- 4. Where does digestion start
- 5. How many rocky planets are there (including Earth) in our solar system
- 6. How many intestines are there In your body
- 8. What substance is it when universal indicator turns blue
- 10. How does digestion end
- 13. What does a liquid change into when frozen
- 14. What is the process called when a gas changes into a liquid
Down
- 1. What do sun and stars give out that planets don’t
- 3. What is it called if a substance has a pH of 7
- 5. How many numbers are there in the pH scale
- 7. What is the process called when a solid changes into a liquid
- 9. What part of the body links the mouth to the stomach
- 11. What colour does universal indicator turn if a substance is an acid
- 12. What has a lower density between solids liquids or gasses