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 2 planets are gas giants? 3 Called the "red planet" because of its red surface and has seasons like earth 4 Hottest planet with thick atmosphere, high mountains, and volcanoes 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? Jupiter chunks of ice and rock Uranus and neptune Mercury, Venus, Earth, Mars Venus Mercury Jupiter and Saturn Mars