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Across 2. gas have the opposite bond to solids 6. solids have very s----- bonds between particles 10. we can use these resources again and again 12. particles that flow easily and spread out 14. chemical substance that can be separated by physical means 16. coal and oil are called ? resources 19. when gas get cold it forms liquid by the process of 22. a solvent and a solute dissolve to make a 26. another name for process of rain 27. degrees in temperature is measured in 28. particles a packed in tightly in these substances 29. the chemical process of changing sunlight into food in plants 31. lot of water vapour in the air making things hot and sticky 34. when H2O goes around and around 36. when liquid particles get enough energy they 38. to separate water and sand we need to ----- 39. when we try to break apart a solution we to -------- 40. all you need gentle breeze to make this kind of energy 41. rocks have these in them

Down 1. solid turn into liquid by heat and ? 2. one of the most important resources that we cannot live without 3. this is the name we give to the attraction between particles 4. this kind of fission creates heaps of energy but be careful 5. a substance that dissolves in water is called 6. when water is mixed with sugar,SUGAR IS KNOWN AS THE 7. gas particles can be easily c--------d 8. the process of making rocks into smaller ones 9. this has 3 states soild liquid gas 11. is the dead matter in soil 13. a real strong solution with a lot of solute is called 15. rocks get warn away by this process 17. hot springs create this type of energy 18. greenhouse effect is caused by this gas 20. weight is measured in 21. the substance we use on earth are called natural ? 23. main gas in air 24. energy that we can make from plants and animals 25. thousand metres 30. sun and a bit of technology called ? makes a lot of energy 32. a weak solution is called 33. when liquid particles get very cold and stop vibrating they ? 35. these particles flow over each and fill up the container 37. smallest particle known to us