Across:

A large wild cat (6 letters) - TIGER

Down:

A small insect that can bite and spread disease (4 letters) - FLEA

Across:

A sport played on ice with a stick and a puck (7 letters) - HOCKEY

Down:

A large body of water surrounded by land (5 letters) - LAKE

Across:

A person who flies an aircraft (7 letters) - PILOT

Down:

A device used for communication over long distances (8 letters) - TELEPHONE

Across:

A type of vehicle used for transporting goods (7 letters) - TRUCK

Down:

A musical instrument with strings that is played by strumming or plucking (6 letters) - GUITAR

Across:

An animal that lives in the water and has gills for breathing (5 letters) - FISH

Down:

A machine that cooks food quickly using microwaves (9 letters) - MICROWAVE