1) Scientists use .... to see the planets and the stars. a) torches b) telescopes c) satellites 2) There are many ...over the Earth. a) moons b) planets c) satellites 3) There are 9 ..... in our solar system. a) moons b) planets c) stars 4) The .... is smaller than the Earth. a) Moon b) Sun 5) The Sun is a ..... a) star b) planet c) moon 6) All the planets in our ..... go round the sun. a) atmosphere b) space c) solar system 7) ... is the largest planet. a) Mercury b) Jupiter c) Pluto 8) Scientists .... Pluto in 1930. a) learnt b) invented c) discovered 9) The Earth ... the sun at different times. a) faces b) spins c) sees 10) The .... of the Earth gives us night-time and daytime. a) part b) spin c) effect

Space Discovering.

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