to make an area or substance, usually air, water, or soil, dirty or harmful to people, animals, and plants, especially by adding harmful chemicals
pollute
a raised part of the earth's surface, much larger than a hill, the top of which might be covered in snow
mountain
a device for finding direction with a needle that can move easily and that always points to magnetic north
compass
of or from a long time ago, having lasted for a very long time
ancient
the planet third in order of distance from the sun, between Venus and Mars; the world on which we live
earth
to separate suddenly or violently into two or more pieces, or to (cause something to) stop working by being damaged
break
a piece of land completely surrounded by water
island
a route or track between one place and another, or the direction in which something is moving
path
a spirit or being believed to control some part of the universe or life and often worshipped for doing so, or something that represents this spirit or being
god
the sun and the group of planets that move around it
solar system
to complain about someone or something in an annoyed way
grumble
damage caused to water, air, etc. by harmful substances or waste
pollution
very valuable things, usually in the form of a store of precious metals, precious stones, or money
treasure
a female god
goddess
a device for making objects that are far away look closer and larger, using a combination of lenses, or lenses and curved mirrors
telescope
to slide without intending to
slip
tropical forest
jungle
a tool consisting of a wide, square metal or plastic blade, usually with slightly raised sides, attached to a handle, for moving loose material such as sand, coal, or snow
shovel
an ancient story or set of stories, especially explaining the early history of a group of people or about natural events and facts
myth
someone who studies, teaches, or is an expert in mathematics
mathematician
to fall quickly and without control
tumble
a large area of water surrounded by land
lake
a large boat for travelling on water, especially across the sea
ship
a building used for the worship of a god or gods in some religions
temple
the area above the earth, in which clouds, the sun, etc. can be seen
sky