Two round eyes stare at you from across the room. Slowly but surely, four paws inch their way across the carpet, in pursuit of some invisible foe. A long tail twitches back and forth. Then suddenly...

Pounce!

The cat has jumped, and now wiggles around on its back as it plays with the ball of dust that it was "hunting" from across the room.

Cats have become popular household pets. But how much do you know about them? Read on to find out!