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