Jovian Planets
Planetary Objects
Inner Planets
Moons
Sun
100
The biggest and most massive of all the planets.
What is Jupiter?
100
Bodies that orbit in a belt mainly between Mars and Jupiter.
What are asteroids?
100
Which planet shows evidence that liquid water may once have flowed there.
What is Mars?
100
The planet that has the most moons.
What is Jupiter?
100
All light which includes gamma rays, X-rays, Ultraviolet, visible light, infrared and radio waves.
What is Electromagnetic radiation?
200
A planet that is special because it rotates on its side.
What is Uranus?
200
Now renamed a dwarf planet, which is part of the Kuiper belt.
What is Pluto?
200
A terrestrial planet that has the greatest range of extremes in temperature.
What is Mercury?
200
The only two planets in the solar system that have no moons.
What are Mercury and Venus?
200
Season in the Northern Hemisphere when the sun is closest to the Earth.
What is Winter?
300
It has many moons and the most complex ring system of all the planets.
What is Saturn.
300
The name given to a meteroid that enters the earth's atmosphere from space and burns up. Wrongly call a "shooting star".
What is a Meteor?
300
The only planet on which water exists in all three phases of matter; solid, liquid and gas.
What is Earth?
300
Moon that causes ocean tides to occur on a terrestrial planet.
What is Earth's moon?
300
The average distance between the Sun and the Earth, about 150 million km.
What is an Astronomical Unit?
400
This planet is sometime farther away from Earth than Pluto.
What is Neptune?
400
A spherical shell of comets that surrounds the solar system.
What is the Oort cloud?
400
Large amounts of carbon dioxide have caused a run-away greenhouse effect and the highest temperatures to exhist here.
What is Venus?
400
Terrestrial planet that has two small, odd-shaped moons.
What is Mars?
400
The direction that the tail of a comet always points.
What is away from the sun?
500
It has winds of greater than 1000 km/hr and a methane gas composition.
What is Neptune.
500
A famous short-period body whose orbital period averages 76 years.
What is Haley's comet.
500
Name of a Martian volcano that is the largest in the solar system.
What is Olympus Mons?
500
Galilean moon that is the most volcanically active objct in the solar system.
What is Io?
500
Process of hydrogen atoms combining together. Source of energy for the sun and all stars.
What is nuclear fusion?
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