TIDES, ECLIPSES, DAY AND NIGHT, AND THE SEASONS

Q. How many high and low tides are there in a day?

A. Approximately 2 high tides and 2 low tides in 24 hours

 

Q. How fast does the earth rotate?

A. At the equator, the speed of rotation of the earth is 1668 km/h.

 

Q. Why is it hot at the equator?

A. The sun is almost directly overhead, whereas at other places on the earth, the sun shines at an angle.