Terrestrial planets are more "Earth like" which are small and dense. Has rocky surfaces and an abundance of metal in their cores. These planets have few moons and no rings. Mercury, Venus, Earth and Mars. Also our moon is considered a terrestrial world.
Jovian Planets are more "Jupiter like" which are larger in size, lower in average density. They have rings and many moons, they also lack solid surface. Made mostly of hydrogen, helium, and hydrogen compounds (water methane). Jupiter, Saturn, Uranus, and Neptune. Often referred to as "gas giants," QUIZ!