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: 2. Instrument that checks temperature 6. Electric spark in the atmosphere 8. Instrument that measures the direction of air currents or wind 11. Air shaped in a column that rotates quickly and is in contact with the ground 12. Cloud that looks like a large cotton ball 13. Instrument that measures the speed of wind 14. State that the outdoors is in 15. Wispy white cloud found high in the atmosphere

Down: 1. Type of water that falls from the sky to the ground 3. Powerful rotating storm that forms over the ocean 4. instrument that measures the amount of rainfall 5. normal weather in an area 7. how hot or cold something is 9. force exerted by the air 10. instrument that measures air pressure