YEAR 7 Review

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