Science and Maths Crossword

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Across
  1. 3. The name for a blood vessel that runs between the heart and lungs
  2. 5. When a light ray changes speed and sometimes direction at a material boundary
  3. 11. A trigonometric function; a line that touches but doesn't cross a circle
  4. 13. The form energy is produced in from respiration
  5. 17. A famous female physicist that discovered radioactive elements
  6. 18. A reaction that takes requires more energy than it releases
  7. 20. Hooke's Law states force is directly proportional to _ until the limit of proportionality
  8. 24. A natural one is the moon and a manmade one is the ISS
  9. 25. Molecules that have the same molecular formula but different displayed formulae
  10. 26. Molecules travelling from a higher to a lower water potential
  11. 28. Alternative forms of a gene that arise due to mutation
  12. 30. The product of current and potential difference
  13. 31. A type of reaction where one reagent loses electrons and the other gains electrons (or oxygen)
  14. 34. The process done to convert long chain alkanes into short chain alkanes and alkenes
  15. 35. A scientist who was a pioneer in WW2 nuclear weapons; the alias for the main Breaking Bad chemist
  16. 37. An algebraic expression with multiple terms
  17. 38. An angle that is between 0 and 90 degrees
Down
  1. 1. The physical characteristics that are determined by something's genes
  2. 2. When a massive nucleus absorbs a neutron and becomes two lighter daughter nuclei
  3. 3. A famous mathematician whose theorem finds side lengths of right angled triangles
  4. 4. An atom that has gained electrons
  5. 6. A chemist who discovered the constant 6.02 x 10^23
  6. 7. A wave whose oscillations are perpendicular to the direction of motion
  7. 8. A section of a circle made from two radii and an arc
  8. 9. The amount of energy transferred per unit charge in a circuit
  9. 10. A famous biologist that came up with the theory of evolution
  10. 11. The element with symbol W
  11. 12. A type of bar chart where the class width is not uniform
  12. 14. A blood component that causes clotting to prevent blood loss
  13. 15. (A Despicable Me character) Something with magnitude and direction
  14. 16. A famous physicist who put forward three laws to do with force and motion
  15. 19. Something which produces a magnetic field when a current is applied to it
  16. 21. The specifically shaped molecule that an enzyme fits in to complete a reaction
  17. 22. _ paper. An indicator that changes colour with pH
  18. 23. A vessel that transports water around a plant
  19. 27. A piece of data that is at 25%,50% or 75% of the way through all of them
  20. 29. The product of force and perpendicular distance from a pivot
  21. 30. A product of the reaction between diols and dicarboxylic acids that also produces water
  22. 32. The general term for the things that reside in the nucleus
  23. 33. The amount of time for the activity of a radioactive sample to halve
  24. 35. _ series. A group of substances with the same functional group and similar chemical properties
  25. 36. A flask used in a titration that is constantly swirled to mix contents