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