2. Unlike Earth, Saturn does not have a solid surface. It is known as a gas giant planet because it is made up mostly of simple _________________ and _______________ molecules. Inside Saturn, these gases actually become liquids.
 

3. Saturn is best known for the enormous, beautiful rings that orbit it. These rings aren't solid; they are made up mostly of ____________________________________. Some of these are as tiny as grains of sand, while others are much larger than skyscrapers.
 

4. In 1610, Galileo became the first person to observe the rings -- although at the time, he thought they were two "handles" or large ___________ next to the planet! Saturn's ring system actually has _____ major divisions, each of which has thousands of individual ringlets.
 

5. So far, scientists have discovered at least _______ moons of all different sizes orbiting Saturn. One of the most well-known of these, the icy _______________, looks like the "Death Star" space station from the Star Wars movies!
 

6. Titan is the largest of Saturn's moons. It is unique because it is the only moon we know of that has a thick _____________________. Scientists believe this means Titan might be able to support life. However, this also makes it hard for scientists to see this moon from Earth.