Coast: The land next to or close to the sea.
Noun. The accident happened three miles off the coast (= in the sea three miles from land).
Sky: The area above the earth, in which clouds, the sun, etc. can be seen.
Noun. Can you see those birds high up in the sky?
River: a natural wide flow of fresh water across the land into the sea, a lake, or another river
We sailed slowly down the river.
Ice:water that has frozen and become solid, or pieces of this.
Noun. The pond was covered in ice all winter.
Planet: An extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star.
Noun. That moves in a circular path around the sun or another stars.
Moon: The round object that moves in the sky around the earth and can be seen at night.
What time does the moon rise/set (= appear/disappear in the sky)?
Sun: The star that provides light and heat for the earth and around which the earth moves.
Noun. The sun rises in the east and sets in the west.
Lake: A large area of water surrounded by land and not connected to the sea except by rivers or streams.
Noun. We used to go boating on that lake.
Ocean: A very large area of sea
Noun. These mysterious creatures live at the bottom of the ocean.
Cloud: A grey or white mass in the sky, made up of very small floating drops of water.
Noun. Do you think those are rain clouds on the horizon?
Mountain: A raised part of the earth's surface, much larger than a hill, the top of which might be covered in snow.
Noun. The Rockies are a mountain chain/range in the western United States.
Sea: The salty water that covers a large part of the surface of the earth, or a large area of salty water, smaller than an ocean, that is partly or completely surrounded by land.
Noun. That is partly or completely
Desert: An area, often covered with sand or rocks, where there is very little rain and not many plants
Noun. We had to cross a large area of arid, featureless desert.
Orbir: The curved path through which objects in space move around a planet or star.
Noun. The satellite is now in a stable orbit.
Milky Way: The galaxy (= star system) that includes the earth, seen at night as a pale strip across the sky.
Noun. We live in Milky Way
Star: A very large ball of burning gas in space that is usually seen from the earth as a point of light in the sky at night.
Noun. Stars twinkled above them as they lay on the hill.
