Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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 Check 

Across: 1. What problem is caused by fertiliser running off into waterways? 3. What problem results when chemicals are sprayed during windy weather? 4. What type of pest are pesticide sprays used to control? 6. What type of pollution results from the use of loud machinery such as chainsaws? 7. What type of problem are weedicide sprays used to control? 8. What can 'burn' fruit and leaves on a very cold, clear night/morning?

Down: 2. What does soil experience if the same crop is grown year after year in the same field without a break or fertiliser application? 5. What is the term given to dirt being washed away by heavy rainfall or blown away by strong winds?