Mr. T Gone

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Across
  1. 6. An Italian scientist who improved the telescope
  2. 7. The upward force that helps planes fly
  3. 9. A gas your body needs to stay alive
  4. 10. When light bounces off a surface
  5. 12. The line separating Northern Ireland and the Republic
  6. 15. How air moves around objects like planes
  7. 18. The muscle that helps your lungs breathe
  8. 19. The forwards force that moves planes ahead
Down
  1. 1. When groups agree to stop fighting
  2. 2. The organs that take in air for your body
  3. 3. Splitting a number into equal parts
  4. 4. Repeated addition used to find a total
  5. 5. A time when there is no fighting
  6. 8. A tool used to see faraway objects in space
  7. 10. How living things breathe in oxygen and breathe out carbon dioxide
  8. 11. Tables The basic facts used for multiplication
  9. 13. The parliament buildings in Northern Ireland
  10. 14. What is left over after dividing
  11. 16. A dark shape made when something blocks light
  12. 17. A form of energy that helps us see