Inner Planets
This planet is closest to the sun.
Mercury
This is the largest planet in our solar system.
Jupiter
The moon has these on its surface.
Craters
The Earth completes one of these every 24 hours.
Rotation
This star is closest to the Earth.
The sun
Water covers over 70% of this planet.
Earth
This planet is known best for its rings, which are wide and bright and can be seen from Earth.
Saturn
This much of the moon is always lit.
Half
The Earth tilts on and rotates around one of these.
Axis
This is a tool scientists use to magnify objects.
Microscope
This material makes up each of the inner planets.
Rock
The main rings of Saturn are named A, B, and C. What is the name of the largest gap that separates the A and B rings?
The Cassini Division
It takes about this long for the moon to go through all the phases.
A month
The path the Earth takes around the sun.
Orbit
A burning sphere of gases.
Star
These planets do not have moons.
Mercury and Venus
This planet is known for a large red spot.
Jupiter
The moon is not always visible during this phase.
New moon
The season that occurs in the Northern Hemisphere when it is summer in the Southern Hemisphere
Winter
Object in space that has been placed into orbit by scientists.
Satellite
List the inner planets in order.
Mercury, Venus, Earth, Mars
These materials make up the outer planets.
Gas and liquid
This quarter phase follows after new moon.
1st quarter
The speed of a planet on its orbit around the sun depends on this.
Distance from the sun
The name of the station scientist use to study space.
The International Space Station