LGSSciencePrimary schoolPrepared example · nothing is saved
Why is it summer in Australia when it's winter here?
Move through the year and watch how high the Sun climbs at noon.
- Ankarawinter half
- Noon Sun: 27° high
- Daylight: 9 h 11 min
- Sydneysummer half
- Noon Sun: 79° high
- Daylight: 14 h 15 min
December: Ankara's noon Sun 27°, Sydney's 79°.
Why?
Earth's axis is tilted about 23.4°. In June the north leans toward the Sun: its noon Sun stands high and its days are long, while the south gets low sunlight and short days. It isn't distance: Earth is closest to the Sun in early January.
Run it in class
Students will be able to
Explain the seasons with Earth's tilt and the angle of sunlight, not with distance from the Sun.
Agenda
- Quick vote: why do we have seasons? Collect every idea.
- Shine a torch at a tilted ball: where does the light gather in June and in December?
- Compare the noon Sun and the daylight in Ankara and Sydney for two months.
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Teach it privately
Space lesson: “The tilt behind the seasons” — for LGS science learners who still blame the distance to the Sun.
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