Across
- 4. this hangs above my fireplace
- 5. an educated guess
- 10. a thin layer of rock covering the mantle
- 11. why are you so tall? that was a _____
- 12. a subatomic particle that has no charge and is found inside the nucleus of the atom
- 18. a rigid layer made up of the upper most part of the mantle and the crust
- 19. using your five senses to collect information
- 21. hot ball of fire made of nickel and iron
- 23. a liquid typically one other than water used for dissolving other substances
- 25. a variable changed by the scientist
- 26. in math x is the
- 27. atoms are always in _____ motion
- 29. a subatomic particle that has a positive charge and is found in the nucleus of the atom
- 30. the variable used to see the difference it makes
- 32. thin layer of rock on land
- 35. very hot and is a liquid made of nickel and iron
- 37. chemical properties are those which can only be observed by altering the identity of the substance
- 39. these animals have like 30 spots
- 41. the temperature at which a substance changes from a liquid to a gas
- 42. a change which alters the appearance but does not create a different substance
- 45. a physical property that describes the ability of a substance to dissolve in a solvent
- 46. any substance that dissolves in a liquid solvent to create a solution
- 47. a thin layer of rock under the ocean
- 48. I have an ______ of what will happen
- 49. currents of hot up top but when it cools it goes to the bottom
Down
- 1. the heat from the fire is called
- 2. composed of only one kind of atom and cannot be broken down into simpler substances
- 3. physical properties are those which can be observed with out altering the identity of the substance
- 6. steps used to answer problems or questions about the world around us
- 7. when I touched the pan I burnt my hand why?
- 8. the temperature at which a liquid changes to a solid
- 9. is a super continent that began to drift apart 225 million years ago
- 13. a plate boundary where two plates move away from each other
- 14. the smallest unit of pure substance that still has the properties of that substance
- 15. a substance that undergoes a change that forms a new substance with new properties
- 16. any substance that is dissolved in a liquid solvent to make a solution
- 17. In the movie Journey to the Center of the Enter they were looking for the earth's ______
- 20. a plate boundary where two plates come together or converge
- 22. A theory that the crust is split into sections
- 24. a part of the earth the upper mantle and the crust
- 28. amount of mass per unit of volume
- 31. a mixture of two or more elements
- 33. boundary two layers of crust sliding past each other
- 34. a subatomic particle that has a negative charge and is found on the outside the atom
- 36. the temperature at which a solid becomes a liquid
- 38. the animals skin is soft and wrinkly and they're beautiful
- 40. your notes measurements and observations recorded during the experiment
- 43. the last step of the scientific method. It is a statement about your if your hypothesis is correct or not
- 44. step by step procedure to test your hypothesis including materials and variables