1. 1.Our Solar System consists of the Sun and 9 planets 2.The Sun is a star 3.Planets look like stars but are only visible because of light reflected from the Sun. Our Solar System

3. The Planets

4. Our Solar System

5. 1.It takes 24 hours (1 day) for the Earth to spin once on its axis. 2.The half of the Earth facing the Sun is in daylight, the other half of the Earth is in night. Day and Night

8. 1.It takes the Earth 365.25 days (1 year) to orbit the Sun. 2.When the Northern Hemisphere is tilted towards the Sun it is summer 3.When the Northern Hemisphere is tilted away from the Sun it is winter 4.In the summer, the Sun’s rays are concentrated over a small area of land 5.In the winter, the Sun’s rays are spread out Seasons Seasons

9. The Seasons

10. Seasons Seasons

11. Seasons

12. The Seasons Seasons

13. The Seasons Seasons

14. 1.The Moon orbits the Earth once every 28 days 2.The Moon appears to change shape because we see different amounts of the Moon’s lit half at different times 3.The Moon’s gravity causes high and low tides 4.The height of the high tide depends on the position of the Sun and Moon The Moon

15. Phases of the Moon

17. Tides Tides

18. Spring and Neap tides

19. Quiz Quiz

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