Year 8 Science Mid-Year Exam Revision

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Across
  1. 3. A group of atoms bonded together
  2. 5. Jelly-like fluid inside a cell
  3. 6. Organelle where photosynthesis happens
  4. 9. A type of element that is shiny and conducts electricity
  5. 13. Organelle that produces energy (ATP) for the cell
  6. 17. A type of change that forms a new substance
  7. 20. Body system that helps you breathe
  8. 21. A group of cells working together
  9. 22. The variable you change in an experiment
  10. 25. Body system that transports oxygen and nutrients
  11. 27. A structure within a cell that has a specific function
Down
  1. 1. Something that can change in an experiment
  2. 2. A testable prediction written as “If...then...”
  3. 4. A type of element that is dull and brittle
  4. 7. A standard used for comparison in an experiment
  5. 8. A structure made of different tissues that performs a function
  6. 10. A substance made of only one type of atom
  7. 11. The part of a cell that contains DNA
  8. 12. Two or more substances not chemically bonded
  9. 14. Body system that breaks down food
  10. 15. A substance made of two or more atoms chemically bonded
  11. 16. A tool used to magnify cells
  12. 18. The smallest particle of an element
  13. 19. This table organizes all known elements
  14. 23. The variable you measure in an experiment
  15. 24. A change in form, but not in chemical identity
  16. 26. Clue