ACROSS
1. Cold region around the South Pole (9)
 

DOWN
1. Cold region far away from 1 across (6)
 

DOWN
2. Opposite of 'yes '(2)
 

DOWN
3. Try something to see if it works (4)
 

DOWN
4. Ability to conduct electricity (12)
 

DOWN
5: Frozen water (3)
 

ACROSS
6. Large harbour; place where ships load and unload (4)
 

DOWN
6. The -------- in the deep ocean is very high (8)
 

DOWN
7: Measurement that tells us how warm or cold it is (11)
 

ACROSS
8: Fish eggs (3)
   

ACROSS
9 and 16. Stretch of water Between Antarctica and South America (5, 7)
   

ACROSS
10: Capital of the Falkland Islands (7)
   

ACROSS
11: Short for steam ship (2)
   

DOWN
12. Measure of how salty seawater is (8)
 

ACROSS
13. Short for 'that is' in Latin (2)
   

DOWN
14. A type of penguin (7)
 

DOWN
15. A type of penguin(4)
 

ACROSS
9 and 16. Stretch of water between Antarctica and South America (5, 7)
   

DOWN
17. You have two, squids have eight (3)
 

ACROSS
18. Measure of length (2)
   

ACROSS
19. Two and a half times 18 across (4)
   

ACROSS
20. Thin, stiff metal with sharp point (3)
   

DOWN
21. Opposite of 'out' (2)
 

ACROSS
22. Continent west of the Atlantic (7)
   

ACROSS
23. Antarctic birds (8)
 

DOWN
23 Measure of concentration; parts per thousand (3)
 

ACROSS
24. Public Relations (2)
   

DOWN
25. A type of penguin (6)
 

ACROSS
26. Pull along on a rope (3)
   

DOWN
27. Direction anti-clockwise from North (4)
 

ACROSS
28. On knees (past) (5)
 

DOWN
28. Small shrimp-like creature, food for blue whales (5)
 

ACROSS
29. Animal that kills and eats other animals (8)
 

DOWN
29. Animals that are food for other animals (4)
 

DOWN
30. Fruit with a wooden shell (3)
 

ACROSS
31. What 28 across does with 28 down (4)
   

ACROSS
32. Someone who keeps watch (7)
   

ACROSS
33. Marine mammal (4)