Ulimate

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Across
  1. 3. How plants make food using sunlight.
  2. 4. An animal that eats only meat.
  3. 7. A group of stars forming a pattern in the sky.
  4. 9. A person who travels into space.
  5. 13. An object that orbits a planet.
  6. 17. The tendency of an object to resist change.
  7. 18. A tool used to see very tiny things.
  8. 19. A weight that swings back and forth.
  9. 21. A story told in words.
  10. 26. A branch of math dealing with shapes and angles.
  11. 29. A chart of the elements.
  12. 33. Lines that measure east and west.
  13. 38. A tool used to find directions.
  14. 39. A branch of mathematics involving symbols.
  15. 40. The study of fossils and ancient life.
  16. 41. A storm with strong winds and rain.
  17. 42. A force that slows motion.
  18. 43. A chemical property with a low pH.
  19. 44. A community of plants and animals in their environment.
  20. 45. The force that pulls us to the Earth.
  21. 46. The force of attraction or repulsion.
Down
  1. 1. A group of people who make laws.
  2. 2. A cloud of gas and dust in space.
  3. 5. A mountain that erupts with lava.
  4. 6. The study of light and vision.
  5. 8. The remains of a plant or animal from long ago.
  6. 9. The layer of gases around a planet.
  7. 10. A lizard that can change its color.
  8. 11. The variety of life in a place.
  9. 12. Where the earth meets the sky.
  10. 14. A journey to explore a new place.
  11. 15. A structure built to honor something important.
  12. 16. The process by which species change over time.
  13. 20. A positively charged particle in an atom.
  14. 22. The wearing away of earth’s surface.
  15. 23. The outer layer of the Earth.
  16. 24. Everything that exists in space.
  17. 25. A tool for looking at distant objects.
  18. 27. A substance with a defined composition.
  19. 28. A book written about someone’s life.
  20. 30. A tool to measure temperature.
  21. 31. The visible surface of the sun.
  22. 32. A mathematical statement that two things are equal.
  23. 34. Lines that measure north and south.
  24. 35. A massive system of stars and planets.
  25. 36. The smallest unit of a chemical substance.
  26. 37. A form of energy that powers our homes.
  27. 43. The smallest unit of matter.