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