Solar System

vocabulary

100

is a star and all the planets and other bodies that revolve around it.

solar system

200

planet 

is a large round body that revolves around a star in a clear orbit.

300

is a chunk of frozen gases, rock, and dust that revolves around the sun.

comet

400

dwarf planet

is a nearly round body, slightly smaller than a planet, whose orbit crosses the orbit of another planet.

500

is a chunk of rock or iron less than 1,000 km in diameter that revolves around the sun.

asteroid 

inner planets

100

closest planet to the sun; has many craters 

mercury 

200

extremely hot and has thick clouds

Venus 

300

atmosphere includes nitrogen and oxygen; has many volcanoes

earth 

400

rocky surface and dust storms

mars

500

name all the inner planets 

Mercury, Venus, Earth, and Mars

outer planet

100

largest planet; has a great red spot.

Jupiter 

200

second largest; famous rings (1,000)

Saturn 

300

long seasons 

Uranus 

400

windiest planet; has nine rings 

Neptune 

500

name all the outer planets 

Jupiter, Saturn, Uranus, Neptune

Characteristics

100

Is this an inner planet or outer planet... made mostly of gas and have many moons.

Outer 

200

Is this an inner planet or outer planet... rocky surface and smaller in size 

Inner planet 

300

Is this an inner planet or outer planet... few or no moons and located closer to the sun

inner

400

Is this an inner planet or outer planet... very large in size and have rings.

outer planet

500

List all the planets in order 

Mercury, Venus, earth, Mars, Jupiter, Saturn, Uranus Neptune