Текст
Extensive reading 6 across the curriculum.0:02
Science Exercise 2, page 83 Sundials go outside on a sunny day and look at your shadow early in the morning and late in the afternoon, it is long.0:06
At lunchtime, it is very short.0:23
This is because the Earth spins every 24 hours and the sun is in a different place in the sky at different times of the day.0:26
Sundials use shadows to tell the time.0:36
They are the oldest way to tell the time.0:39
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