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5 SUN Mercury Mars Pluto Neptune Jupiter Uranus Dwarf planets Dwarf planets are celestial bodies, smaller than planets, that orbit stars. Most of them are spherical in shape. Pluto is a dwarf planet. Asteroids Asteroids are large rocks that orbit the Sun. They are mainly found in the asteroid belt and in the Kuiper belt. Comets Comets are balls of dust and ice that orbit the Sun. The ice melts as the comet gets closer to the Sun, producing its "tail". 5 ●○○ Describe the Solar System and make a list of its celestial bodies. 6 ●○○ WRITE definitions for these celestial bodies: the Sun, the Earth and the Moon. 7 ●●○ INVESTIGATE. What is the difference between asteroids, comets and meteors? word bank asteroid comet dwarf planet planet Solar System n i n e t y - o n e · 91

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