physics paper 1

12345678910111213141516171819202122232425262728293031323334353637383940
Across
  1. 2. – What is the ability to do work or cause change called?
  2. 6. – What is the rate at which energy is transferred or work is done?
  3. 10. – Which state of matter has particles that are far apart and move freely?
  4. 11. – What type of circuit has only one loop for current to flow around?
  5. 13. – Which type of nuclear radiation is an electromagnetic wave?
  6. 14. – What is the central part of an atom called?
  7. 17. – What energy store is associated with the temperature of an object?
  8. 20. – What quantity is defined as mass per unit volume?
  9. 21. Potential – What energy store increases when an object is raised above the ground?
  10. 23. – What do we call atoms of the same element with different numbers of neutrons?
  11. 24. – What term describes the proportion of useful energy output compared to total energy input?
  12. 27. – In which type of circuit do components have separate branches?
  13. 29. – Which particle in the nucleus has no charge?
  14. 30. – What component provides potential difference in a simple circuit?
  15. 33. – What type of energy does a moving object have?
  16. 35. – What change of state occurs when particles escape from the surface of a liquid?
  17. 38. – What change of state occurs when a gas becomes a liquid?
  18. 39. – What process occurs when a liquid changes to a gas throughout the liquid?
  19. 40. – What is the unit of electrical resistance?
Down
  1. 1. – What is another name for potential difference?
  2. 3. – What opposes the flow of current in a circuit?
  3. 4. – What is the unit of energy transfer?
  4. 5. – Which positively charged particle is found in the nucleus?
  5. 7. – What is the flow of electric charge through a circuit called?
  6. 8. – What process causes particles to spread from an area of high concentration to low concentration?
  7. 9. – What is the time taken for the count rate or number of radioactive nuclei to halve?
  8. 12. – Which type of nuclear radiation is a fast-moving electron emitted from the nucleus?
  9. 15. – What type of material allows electric charge to flow easily?
  10. 16. Heat Capacity – What quantity describes the energy needed to raise the temperature of 1 kg of a substance by 1°C?
  11. 18. – What term describes an unstable nucleus that emits radiation?
  12. 19. – What is the unit of power?
  13. 22. – Which state of matter has particles that can move past each other but remain close together?
  14. 25. – Which negatively charged particle moves around the nucleus?
  15. 26. – Which type of nuclear radiation consists of two protons and two neutrons?
  16. 28. – Which instrument is used to measure current?
  17. 31. – What change of state occurs when a solid becomes a liquid?
  18. 32. – What is the smallest part of an element that can exist?
  19. 34. – Which state of matter has particles arranged in a fixed structure?
  20. 36. – Which instrument is used to measure potential difference?
  21. 37. – What type of material resists the flow of electric charge?