The shape and size of the Earth
Answers are for parents and teachers.
1
Choose one of Aristotle’s three proofs and explain it in your own words.
For example: a ship nearing the shore shows its mast first because the sea surface is curved.
2
Mount Everest is 8849 m high and the Mariana Trench is about 10 935 m deep. What is the vertical distance from the summit to the trench floor, in metres?
19784
3
Taking the equator as 40 000 km, how many days are needed at 100 km per day (just for calculation)?
400
4
Using a globe or reference book find three continents or oceans crossed by the equator.
For example: South America, Africa, the Pacific, Atlantic and Indian Oceans.
5
At home take a ball or an orange as “Earth”: mark the poles and equator and draw it.
The drawing should show two poles and the equator midway between them.