6th grade review Earth and Space

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Across
  1. 2. Management – sustainable and responsible use of natural resources such as land,
  2. 4. Crust – thick part of Earth’s crust that forms the landmasses
  3. 6. – all the gases surrounding Earth
  4. 8. – the outermost, solid layer of the Earth
  5. 10. – the form of energy associated with the movement of atoms and molecules in a material
  6. 11. - the use of scientific knowledge for practical purposes and for solving problems
  7. 15. harmful to human, animal, or plant health
  8. 17. – the path an object, such as a planet, takes as it revolves around another object
  9. 20. Tide - a tide in which the difference between high and low tide is the greatest
  10. 22. – the process of tightly packing sediments together due to extreme pressure within
  11. 24. Rock – formed from the compacting and cementing of sediments
  12. 25. – the Earth’s crust and upper portion of the mantle
  13. 26. Tide - the least amount of difference between high and low tides
  14. 29. – the action of one object moving completely around another in an orbital path
  15. 31. – each of the four divisions of the year (spring, summer, autumn, and winter) marked by
  16. 33. – the thickest layer of the Earth that lies between the crust and outer core
  17. 36. Cycle – the process in which rocks are created, changed, destroyed, and formed again
  18. 39. harmful to the health of humans and other living things
  19. 40. Crust – thin part of Earth’s crust under oceans and seas
  20. 43. – turning or spinning on an axis
  21. 46. – molten rock that has reached the surface of the Earth through a weak spot in the crust
  22. 47. – all the rock on Earth
Down
  1. 1. Rock – a type of rock that is formed from extreme heat and pressure
  2. 3. – the process by which sediments are binded together
  3. 5. air minerals, forests, fisheries, plants, and animals
  4. 7. weather patterns and daylight hours
  5. 9. - the rising and falling of the ocean’s surface
  6. 10. – all the water on Earth
  7. 12. Tide - occurs when ocean water is at its highest level during the day
  8. 13. Pollution – the contamination of air due to the presence of substances in the atmosphere that
  9. 14. – molten rock located beneath the Earth’s surface
  10. 16. – the practice of using natural resources responsibly
  11. 18. – lack of proper nutrition, caused by not having enough to eat, not eating enough of
  12. 19. Core – the solid, innermost layer of the Earth
  13. 21. Rock – a type of rock that is formed from the cooling and hardening of magma or lava
  14. 23. – all the living things on Earth
  15. 27. – the state or condition of not being able to meet a minimum standard of living because
  16. 28. Core – a liquid layer of the Earth located between the mantle and inner core
  17. 30. – avoiding the unnecessary use of Earth’s natural resources
  18. 32. – a measure of the performance and effectiveness of a system or component
  19. 34. - the force exerted on or against an object by something in contact with it
  20. 35. right things, or being unable to use the food that one does eat
  21. 37. a lack of the proper resources
  22. 38. Tide - occurs when ocean water is at its lowest level during the day
  23. 41. – an imaginary line that runs through both poles of a planet
  24. 42. – the portion of Earth’s mantle where convection occurs
  25. 44. Pollution - any contamination of water with chemicals or other hazardous substances that
  26. 45. Energy – the total of every type of energy source used by humans