She's a Star

123456
Across
  1. 2. What you can hang pictures on.
  2. 4. Very cold and hard.
  3. 5. Dark glasses to protect your eyes from the sun.
  4. 6. Nothing inside.
Down
  1. 1. Reason for something happening.
  2. 3. Always, never ends.
  3. 4. Hot, bright part of fire.
  4. 5. Dark shape made by blocking light.