How can we tell if something is intelligent?

This is a big question. Let's explore some questions about animal intelligence to get you thinking.

Turn over the cards in the memory game to match a question to a picture of an animal showing that type of intelligent behaviour.

Example
Question	Matching picture	Reason
"Can they solve puzzles?"		Octopuses have eight arms and each arm also has a mini-brain! They can solve mazes to find food rewards.

What else might make something intelligent?