Year 8 Science Semester 1 Exam Revsiion Crossword

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Across
  1. 1. The process where cells break down glucose to release energy
  2. 4. The gas required for aerobic cellular respiration to occur
  3. 5. The lens at the top of a microscope that you look through
  4. 6. A subatomic particle in the nucleus with a positive charge
  5. 10. Stored energy like chemical or elastic energy
  6. 14. The structure in plant cells where photosynthesis happens
  7. 17. The ability to do work
  8. 18. Element with the chemical symbol Mg and atomic number 12
  9. 21. The control centre of the cell that holds genetic information
  10. 22. A tiny subatomic particle with a negative charge
  11. 23. The chemical sugar used up during cellular respiration
  12. 25. A type of diagram that shows energy flow and wasted energy
  13. 28. A storage area inside a cell for water and nutrients
  14. 29. The energy of a moving object
  15. 34. Energy that is often wasted when energy changes form
  16. 35. THEORY Scientific idea stating all living things are made of cells
  17. 37. The jelly like substance that fills the inside of a cell
  18. 38. The process where plant cells trap sunlight to make food
  19. 42. The variable or factor that a scientist measures or observes
  20. 43. The variables that must be kept the same for a fair test
  21. 44. A group of similar cells working together
  22. 45. A tiny structure inside a cell with a special job
  23. 46. Energy made by vibrations that we can hear
  24. 47. Heat transfer through direct touch in solids
Down
  1. 2. The variable or factor that a scientist changes on purpose
  2. 3. A scientific tool used to magnify tiny cells
  3. 7. A structure made of tissues working together like the heart
  4. 8. Heat transfer through empty space using waves
  5. 9. The tough outer layer that protects and supports a plant cell
  6. 11. A whole living thing made of systems working together
  7. 12. Energy carried by wires to power appliances like fans
  8. 13. The scientific unit used to measure energy
  9. 15. The lens on a microscope closest to the specimen
  10. 16. When the same type of energy moves from one object to another
  11. 19. To make an object look larger than it actually is
  12. 20. Energy stored in a stretched rubber band
  13. 24. Heat transfer in liquids and gases where hot fluids rise
  14. 26. The thin outer layer that controls what enters and leaves a cell
  15. 27. When energy changes from one type to another form
  16. 30. Energy stored in food batteries and fuels
  17. 31. Form of energy produced by a lamp or the sun
  18. 32. A group of organs working together like the digestive system
  19. 33. A subatomic particle in the nucleus with no charge
  20. 36. The flat part of a microscope where you place the slide
  21. 39. A machine that wastes very little input energy
  22. 40. The structure where energy is released through respiration
  23. 41. The basic building block of all living organisms