Science (1st semester)

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Across
  1. 2. Soil layer containing weathered parent material.
  2. 4. Shape of snowflakes, which forms from the arrangement of water molecules.
  3. 5. The First link in a food chain is usually a plant.
  4. 6. A set of procedures used to investigate phenomena.
  5. 8. Maps showing political boundaries and cities.
  6. 9. Type of soil, ideal for growing crops.
  7. 12. Gas increases in the air during winter and is linked to global warming.
  8. 13. A complex network of food chains in an ecosystem.
  9. 14. The reindeer with a glowing red nose.
  10. 17. Top predator in a food chain.
  11. 18. Feature that explains symbols on a map.
  12. 20. The force that attracts objects towards the Earth.
  13. 21. A tool used to magnify objects.
  14. 25. Type of precipitation formed when snowflakes melt and refreeze.
  15. 26. Step where you make an educated guess based on observations.
  16. 28. Scientific method where you test your hypothesis.
  17. 29. Hardest natural mineral on Earth.
  18. 30. Melted rock beneath the Earth´s surface.
  19. 31. Type of organism that eats both plants and animals.
  20. 32. Horizontal line dividing Earth into northern and southern hemispheres.
  21. 33. Symbol on a map showing directions.
  22. 34. is a Type of rock formed from cooled lava.
  23. 36. Tiny organisms that decompose organic matter in the soil.
  24. 37. Rock type formed from compacted sediment.
  25. 38. Scientific name for reindeer species that live in the Arctic.
  26. 39. The variable that is manipulated in an experiment.
  27. 40. The study of living organisms.
Down
  1. 1. Green plants associated with Christmas are known for photosynthesis.
  2. 3. The factor that is measured in an experiment.
  3. 7. Process where rocks are broken down by wind and water.
  4. 8. Process where plants make their own food using sunlight.
  5. 10. Organism that eats plants.
  6. 11. Lightest chemical element.
  7. 15. Invertebrate soil organism that improves soil structure.
  8. 16. Top layer of soil, rich in organic material.
  9. 19. The scientist known for developing a theory of relativity.
  10. 22. Ratio shows the relationship between map distance and actual distance.
  11. 23. Rock type formed under heat and pressure.
  12. 24. Imaginary vertical lines on a map to measure longitude.
  13. 27. The additional directions found between the cardinal directions on a compass rose.
  14. 35. Angular distance north or south of the equator.