6th Grade Science Challenge

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Across
  1. 2. A tiny structure that carries out a specific job in a cell
  2. 3. a mineral that splits easily along flat surfaces has this property
  3. 5. transformation a change from one form of energy to another
  4. 6. a naturally occurring solid that has a crystal structure and is made up of elements.
  5. 9. a series of processes that changes rocks from one type to another
  6. 12. organic, dark material remaining after organisms decompose
  7. 15. An individual living thing
  8. 16. A measure of the amount of matter an object contains
  9. 17. a type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
  10. 18. a soil with equal parts of sand, silt, and clay.
  11. 19. a solid mixture of minerals and other materials
  12. 21. Control center of the cell
  13. 22. type of energy that an object has due to its motion
  14. 24. a type of rock that forms from the cooling of molten rock
  15. 27. A collection of tissues that carry out a specialized function of the body
  16. 28. A group of similar cells that perform the same function
  17. 29. the layer of soil beneath the topsoil that contains mostly clay and other minerals.
  18. 33. A measure of how much mass is contained in a given volume, or how tightly packed matter is in an object
  19. 35. The loose weathered material on the Earth's surface where plants can grow
  20. 36. not formed from living things or the remains of living things.
  21. 38. the most fertile and nutrient-rich part of soil
  22. 39. anything that has mass and takes up space
  23. 40. system A group of organs that work together in performing vital body functions
Down
  1. 1. a type of rock that forms when particles from other rocks or the remains of living things are pressed together
  2. 4. describes how a mineral looks when it breaks apart in an irregular way.
  3. 7. a scientific law stating energy cannot be created or destroyed
  4. 8. type of energy that results from the position or shape of an object, a.k.a. stored energy
  5. 10. A summary of what you have learned from an experiment
  6. 11. The process of using one or more of your senses to gather information
  7. 12. A possible explanation for a set of observations or possible answer to a scientific question; must be testable!
  8. 13. A particle made of two or more atoms bonded together
  9. 14. the stage of the cell cycle that the cell's nucleus divides in two and produces two new cells.
  10. 20. The basic unit of structure and function in living things
  11. 23. The amount of space an object takes up
  12. 25. A tool that makes small objects look larger
  13. 26. a term used to describe how light is reflected from a mineral's surface
  14. 30. the ability to cause change
  15. 31. the "powerhouse" of the cell where food molecules are converted to energy
  16. 32. The basic particle from which all matter is made
  17. 34. the color of a mineral's powder.
  18. 37. how easily a mineral can be scratched