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Question 1.10.1   Imagine you were standing underneath a tree. When would the shadow of the tree be shortest? (1)

Question 1.16   Give two reasons why scientist thought the Earth was at the centre of the universe. (2)

Question 1.15   Name the two different models of our Solar System. a) [ans1] b) [ans2] (2)

Question 1.4.1   True or false: The Earth orbits around the Sun. (1)

Question 1.5   Explain in your own words what a satellite is. (1)

Question 1.4.4 True or false: The gravity of the Sun keeps the planets in their orbits. (1)

Question 1.1   Roughly what shape are the Earth, Sun and Moon? [ans1] (1)

Am I tired?

Question 1.6.2   How long does it take for the Moon to go around the Earth once? [ans1] (1)

Question 1.4.3   True or false:   The Earth is a satellite of the Moon. (1)