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