Lesson 1
Lesson 2
Planets
Vocabulary
Miscellaneous
100
A chunk of meteoroid that enters the atmosphere and burns is called.
What is a meteor?
100
Any of the first four planets from the Sun, namely Mercury, Venus, Earth, and Mars.
What are the inner planets?
100
Huge and made of gases.
What are the outer planets?
100
The sun and the bodies that orbit it makes what.
What is the solar system?
100
Many moons and one or more rings.
What are the outer planets?
200
Small rocky objects that orbit the sun.
What are asteroids?
200
Any one of the 5 planets farthest from the Sun, Jupiter, Saturn, Uranus, Neptune, and Pluto(dwarf planet).
What are the outer planets?
200
Is known for its massive rings of ice particles.
What is Saturn?
200
A natural satellite of planets.
What are moons?
200
The reason moons orbit planets, not the sun.
What are the planets are the biggest object near them?
300
A meteoroid that hits the earth is called.
What is a meteorite?
300
Rocky and small.
What are ways the inner planets are alike?
300
The planet that closely resembles Earth in size and may have had liquid water at one time.
What is Mars?
300
This creates the tail of a comet.
What is charged particles from the sun?
300
These explore areas too far away or too dangerous for astronauts to travel.
What is a space probe?
400
Comets orbit are what shape?
What is elliptical?
400
The type of telescope used to study space.
What is an optical telescope?
400
This planet has a deadly atmosphere.
What is Venus?
400
Shooting star
What is a meteor?
400
Astronauts travel in this to visit the space station and take supplies to the station.
What is a space shuttle?
500
Are small orbiting bodies made of dust, ice, and frozen gases.
What are comets?
500
Place astronauts work and live for brief periods of time orbiting Earth.
What is a space station?
500
Name the planets in order from closet to the Sun out.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
500
Millions of these may exist is the solar system.
What are asteroids?
500
The planet with the largest volcano in the solar system.
What is Mars?
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