YEAR 7 Review

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Across
  1. 6. A substance with high pH (page 52)
  2. 7. This allows the foetus and mum to exchange food, oxygen and waste (page 16)
  3. 9. This piece of equipment measures potential difference (page 96)
  4. 14. Two or more elements joined with a chemical bond (page 37)
  5. 16. The duration of pregnancy is 39 … (page 16)
  6. 21. A substance that will not dissolve (page 39)
  7. 22. This type of reaction produces salt and water (page 53)
  8. 23. A liquid that can dissolve solids (page 39)
  9. 26. The part of a cell where respiration occurs (page 2)
  10. 28. The total current if each branch of a parallel circuit has a current of 10 A (page 97)
  11. 29. Movement of particles from high to low concentration (page 3)
  12. 32. The mass of a 100 kg man on Earth (page 102)
  13. 33. A piece of equipment used for looking at cells (page 1)
  14. 37. A group of identical cells (page 3)
  15. 41. The type of circuit where all components have the same potential difference across them (page 97)
  16. 42. A non-contact force that keeps the planets in orbit around the Sun (page 102)
  17. 45. The unit of force (page 79)
Down
  1. 1. A substance that will dissolve (page 39)
  2. 2. A substance that changes colour depending on pH (page 52)
  3. 3. A substance were all atoms are the same (page 35)
  4. 4. A solution where no solute can be dissolved (page 39)
  5. 5. When two forces are equal and opposite (page 79)
  6. 8. A group of tissues (page 3)
  7. 10. A liquid does this if energy is added (page 74)
  8. 11. A contact force that resists movement (page 80)
  9. 12. The part of a cell where most chemical reactions occur (page 2)
  10. 13. A fertilised egg cell (page 16)
  11. 15. The type of circuit where the same current flows through all components (page 97)
  12. 17. A state of matter that has the lowest density (page 31)
  13. 18. The part of a cell where photosynthesis occurs (page 2)
  14. 19. When the nuclei of the egg and sperm join (page 16)
  15. 20. A substance with low pH (page 52)
  16. 24. A state of matter than can flow but can't be compressed (page 31)
  17. 25. The resistance of a circuit if the current is 2 A and the potential difference in 16 V (page 95)
  18. 27. Another name for a living thing (page 3)
  19. 30. A liquid does this if energy is removed (page 74)
  20. 31. A mixture of solute and solvent (page 39)
  21. 34. The cell wall is made of this (page 2)
  22. 35. The release of an egg from the ovary (page 16)
  23. 36. This time period corresponds to the Earth completing one orbit of the Sun (page 104)
  24. 38. A state of matter that has the highest density (page 31)
  25. 39. This time period corresponds to one rotation of the Earth on its axis (page 104)
  26. 40. The part of a cell filled with cell sap (page 2)
  27. 43. This piece of equipment measures current (page 96)
  28. 44. A solid being dissolved (page 39)