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7 l1 the earth in space

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7 l1 the earth in space

1. 1. 12 May 2011<br />7L.1 The Earth in space (HSW)<br />Copy the diagram using a pencil and a pair of compasses. Now label the three spheres with either the Sun, the Moon or the Earth.<br />Now use the diagram to explain what a day, month and year is.<br />
2. 2. 12 May 2011<br />7L.1 The Earth in space (HSW)<br />The Moon<br />Day: the time it takes for the Earth to spin on its axis<br />Month: the time it takes for the Moon to orbit the Earth<br />Year: the time it takes for the Earth to orbit once around the Sun<br />The Earth<br />The Sun<br />
3. 3. Time lapse of the Earth from space<br />
4. 4. Day and night on Mars<br />
5. 5. Stand up and gather round<br />
6. 6.
7. 7.
8. 8. Earth<br />heat<br />light<br />satellite<br />orbits<br />28<br />2<br />5<br />4<br />3<br />1<br />365.25<br />4<br />Sun<br />365<br />1 year<br />24 hours<br />
9. 9. Powers of ten<br />
10. 10. Homework<br />Read chapter 7L<br />Begin preparing for the end of year test<br />Complete worksheet 7La/1<br />
11. 11. Learning Objectives<br />State how long a day, a month and a year is<br />Describe the motion of the Sun across the sky<br />Describe how the Earth moves around the sun<br />Explain why we get day and night, and years and leap years<br />Make predictions about time of day<br />
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