7th Grade Science Unit 1 & 2

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Across
  1. 4. a combination of two or more substances. Can be broken down by physical means
  2. 5. the substance being dissolved. Typically a solid.
  3. 7. Energy associated with deformation
  4. 10. The temperature at which a substance changes from a solid to a liquid
  5. 11. Two factors of density include pressure & ____
  6. 14. Energy associated with elevation
  7. 16. The ability to do work
  8. 17. Energy associated with motion
  9. 18. Energy that is stored
  10. 19. material that is the same throughout
  11. 20. Elastic energy depends on deformation & ____
  12. 23. When energy changes from one type to another
  13. 25. the simplest form of a substance
  14. 26. The ratio of mass to volume of a substance
  15. 27. doesn't change based on size or amount
  16. 28. A more common name for a homogeneous mixture
  17. 29. The unit for energy
Down
  1. 1. A solution that contains more than the maximum amount of solute
  2. 2. Kinetic energy depends on mass & ____
  3. 3. Energy sources such as solar & wind
  4. 6. the capacity of one substance to dissolve in another
  5. 8. The substance dissolving. Typically a liquid
  6. 9. Gravitational energy depends on mass & ____
  7. 10. The scale used to determine hardness of a substance
  8. 12. Three factors of solubility, temperature, surface area, & ____
  9. 13. When atoms rearrange to form new substances
  10. 15. When energy moves from one object to another
  11. 21. Energy sources such as fossil fuels & nuclear
  12. 22. something that speeds up or starts a chemical reaction
  13. 24. a substance composed of two or more elements in a fixed proportion