Matching Pairs Matching Solar SystemOnline version Third Grade, Social Science, Chapter 5, ESL by Mikaela Parenti 1 2 3 4 5 6 7 8 The planet furthest from the sun. It is dark and cold. The planet nearest to the Sun, it is the smallest planet in the Solar System. It has a dense atmosphere that retains the heat from the sun. It is the warmest planet. It’s surface is covered in a mineral called iron oxide. This makes it look red. The biggest planet. It has almost 70 satellites. This planet looks blue because of the methane gas in the atmosphere. The only planet that has rings we can easily see. It is unique because it is the only planet that has the right conditions for life to exist. We live here.