Structure of the Solar System
Phases of the Moon
Rotations and Revolutions
About the Planets
Other things in the Sky
100
The age of the Solar System
What is 4.6 billion years?
100
8
How many phases of the moon are there?
100
The time it takes for one rotation.
What is the Period of Rotation?
100
8
How many planets are there?
100
Rocky objects that are smaller than a planet found in between the orbits of Mars and Jupiter.
What are Asteroids?
200
Holds our Solar System in place
What does Gravity do?
200
A New Moon.
What is the first phase?
200
The time it takes a planet to move completely around the sun.
What is the Period of Revolution?
200
Imaginary line through the center of the planets.
What is the axis of rotation?
200
Solid interplanetary particles that pass through Earth's atmosphere.
What are Meteoroids?
300
The Force that makes the Planet's orbit around the Sun.
What is Centripetal Force?
300
A Full Moon.
What is the fifth phase of the moon?
300
Earth's period of rotation
What is 24 hours?
300
Gas Planet
What is Uranus?
300
Small,icy body in orbit around the sun.
What are comets?
400
Planets orbit the sun in an elliptical paths.
What is Kepler's first law?
400
Different appearances of the moon as it orbits Earth.
What is the lunar phase.
400
Earths period of revolution
What is 365 days?
400
The first planet from the sun.
Where is Mercury?
400
Range from the size of 940 km to less than 1 km
How big can asteroids be?
500
Solar System formed from a giant cloud of gas and dust.
What is a nebula?
500
Total or partial obscuring of one celestial body by another.
What is an eclipse?
500
Neptune's period of revolution
What is 165 years?
500
Inner Planets.
What do Mercury, Venus, Earth, and Mars all have in common?
500
Highly elliptical orbits, causing them to range great distances from very close to the Sun to well beyond the orbit of Pluto.
What do all comets have?
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