Solve the Riddles

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Across
  1. 2. I have a face that does not frown and hands that do not wave. I do not walk but move around. What am I? (5 letters)
  2. 4. I’m tall when I’m young, and I’m short when I’m old. What am I? (5 letters)
  3. 5. Symbolically, I’m mightier than the sword, what am I? (3 letters)
Down
  1. 1. I come as a pair but I am not shoes, I have blades but I am not a fan and I’m sometimes used to cut hair but I’m not a razor. (8 letters)
  2. 3. You’ll see me coiled (unused) in the socket, I charge your priced possession which you keep in the pocket. (7 letters)