WORLD’S SMALLEST, HARDEST CROSSWORD

ACROSS

1. Egyptian Christian (4) 5. Go up and down (3) 6. Record (3) 7. Gas in signs (4)

DOWN

2. Double-reed instrument (4) 3. Bouncy stick (4) 4. (Chem) symbol terbium (2) 6. Natural logarithm (abbr) (2)