Earth
Solar System
Comets/Asteroids
Moon
100
This is the path that Earth and the other planets follow around the Sun.
What is elliptical path or elliptical orbit?
100
This planet was once the smallest planet in our Solar System and it has most recently been demoted and given a new classification.
What is Pluto?
100
This is frozen mass of different types of ice and dust orbiting the Sun.
What is comet?
100
A moon, rock, or anything that orbits another object is called this.
What is a satellite?
200
One complete orbit of the Earth around the Sun is called this.
What is a revolution?
200
These two planets orbit closer to the Sun than the Earth.
What are Mercury and Venus?
200
There are two parts that make up the tail of a comet.
What is Ion tail and Dust tail?
200
The Moon's surface is made up of four types of landforms.
What are craters, valleys, mountains, and flat plains?
300
The amount of time it take Earth to complete on revolution around the Sun.
What is a few hours longer than 365 days or about 365 days?
300
In the solar system, distances are so great that scientists use a measure called AU. This stands for.
What is Astronomical Unit?
300
This is a rocky mass up to several hundred kilometers wide that revolves around the Sun.
What is an asteroid?
300
During this phase of the Moon the Moon can barely be seen, if at all.
What is New Moon phase?
400
This layer of air helps prevent Earth from overheating in the Sun's rays.
What is the atmosphere?
400
Planets further away from the sun move at a slower rate. This means their orbits take...
What is many Earth years to complete?
400
This is the region that asteroids orbit and it is located between Mars and Jupiter.
What is the asteroid belt?
400
During this phase of the Moon we experience the highest of tides.
What is full Moon or new Moon?
500
On two days at the beginning of spring and fall every point on Earth recieves exactly this amount of sunlight.
What is 12 hours?
500
This planet has polar ice caps of "dry ice"-solid carbon dioxide-and frozen water.
What is Mars?
500
Many call these small asteroids shooting stars, but they are really something else.
What are meteors?
500
This causes the ocean tide to rise and fall.
What is the Moon's gravity pulls on the Earth?
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