the mass of salt water that covers most of the earth’s surface
ocean
hot - used for heating or cooking
fire
a piece of hard material - found in the ground - often used for building
stone
a small, narrow river
stream
a large hole in the side of a hill or cliff or under the ground
cave
the natural world in which people, animals and plants live
environment
an area of land that is higher than the land around it, but not as high as a mountain
hill
the surface of the earth that is not covered by water
land
GROUP OF TREES / an area of trees, smaller than a forest
woods