Changes in Energy and Matter

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Across
  1. 1. A feature or characteristic of a substance
  2. 3. Material that slows heat transfer
  3. 5. A force that slows motion when surfaces rub together
  4. 6. Starting substances in a chemical reaction
  5. 9. Heat transfer by moving fluids like air or water
  6. 10. The unit used to measure energy
  7. 11. Anything that has mass and takes up space
  8. 15. Energy that allows us to see and plants to photosynthesise
  9. 16. Energy of movement
  10. 19. System that exchanges neither energy nor matter
  11. 21. ____ energy is the movement of particles in a substance
  12. 22. Process plants use to make food from sunlight
  13. 26. Moving energy from one place or object to another
  14. 29. Reaction where a substance gains oxygen
  15. 30. Stored energy in stretched or compressed objects
  16. 32. Energy stored in bonds of substances like food and fuel.
  17. 35. A change in position over time
  18. 36. The ability to do work or cause change
  19. 37. Slow destruction of metals (e.g. rusting)
  20. 38. Reaction between acid and base to form water and salt
  21. 39. Energy carried by moving charges
  22. 40. Chemical ____ make new substances
  23. 41. Change of state or appearance - no new substance made
  24. 43. Reaction that absorbs heat
  25. 44. ____ of energy states that energy cannot be created
  26. 46. Energy carried by vibrations in air or other matter
  27. 47. Physical change from solid to liquid
  28. 48. System that exchanges energy but not matter
Down
  1. 2. Solid formed from a solution during a reaction
  2. 3. Change that cannot easily go back
  3. 4. Material that lets heat flow easily
  4. 7. Two or more atoms bound together
  5. 8. Reaction where one substance breaks down into simpler ones
  6. 12. Stored energy due to position above Earth
  7. 13. Energy stored in the nucleus of an atom
  8. 14. Cellular ________ releases energy from glucose
  9. 17. Chemical reaction that produces heat and light (burning)
  10. 18. Stored energy
  11. 20. Tool to measure temperature
  12. 23. Reaction that releases heat
  13. 24. Energy that flows from a hot object to a cold one
  14. 25. When two objects reach the same temperature
  15. 27. Heat transfer through space by waves
  16. 28. Changing energy from one form to another
  17. 30. Pure substance made of only one type of atom
  18. 31. Substances formed in a chemical reaction
  19. 33. Transfer of heat through direct contact
  20. 34. The measurement of how fast a substance's particles are vibrating
  21. 41. Rain or snow or hail falling from clouds.
  22. 42. The smallest particle of an element
  23. 44. Substance made of two or more elements bonded together
  24. 45. System that exchanges energy and matter with surroundings