Matching Pairs Planets Online version Study characteristics of the planets by Bethaney Barber 1 What 2 planets are gas giants? 2 What are Saturn's rings made of? 3 Largest Planet, has a great red spot and many moons 4 What 2 planets are ice giants? 5 Hottest planet with thick atmosphere, high mountains, and volcanoes 6 Called the "red planet" because of its red surface and has seasons like earth 7 What planets are terrestrial planets? 8 the smallest planet and the nearest to the sun Jupiter and Saturn Mercury chunks of ice and rock Mars Uranus and neptune Jupiter Mercury, Venus, Earth, Mars Venus