Riddles by Svanik (Please don't search them up if they are too hard tell me and I will give clues))

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Across
  1. 1. What invention lets you look right through a wall?
  2. 3. What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
  3. 5. I'm as small as an ant, as big as a whale. I'll approach like a breeze, but can come like a gale. By some I get hit, but all have shown fear. I'll dance to the music, though I can't hear. Of names I have many, of names I have one. I'm as slow as a snail, but from me you can't run. What am I?
  4. 8. First you eat me, then you get eaten. What am I?
  5. 9. You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy.
  6. 10. What are the next three letters in this combination? OTTFFSS
  7. 12. I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
Down
  1. 2. It can't be seen, can't be felt, can't be heard, and can't be smelt. It lies behind stars and under hills, And empty holes it fills. It comes first and follows after, Ends life, and kills laughter. What is it?
  2. 4. What has many keys but can’t open a single lock?
  3. 6. What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?
  4. 7. I have three pairs if consecutive letters
  5. 11. I drink, but not from a glass. I use thousands of fingers to eat I die once a year, yet time makes me stronger. What am I?