Natural world

It's smaller than a rock. (Stone - Boulder)

It's smaller than a mountain. (Hill - Volcano)

It's the air, land and water where people and animals live. (Environment - Saturn)

It's made of stone and rock. (Coast - Land)

It's dark. It's inside rock. (Beach - Cave)

We use this to cook when we are camping. (Air - Fire)

Very dry land. (Desert - Grass)

It's smaller than a river. (Stream - Sea)

It's bigger than a sea. (River - Ocean)

It's a large group of trees. (Street - Wood)