The Earth’s movements and the seasons
Answers are for parents and teachers.
1
Which of these comes from the Earth’s rotation on its axis and which from its movement round the Sun: a) night and day alternating; b) summer and winter alternating; c) the Sun rising in the east every day?
a) and c) – rotation on the axis; b) – movement round the Sun together with the axis tilt.
2
How many months in an ordinary year have 31 days? (January, March, May, July, August, October, December)
7
3
On an outline map draw the tropics (23.5°) and polar circles (66.5°) and colour the hot, temperate and cold zones differently.
Hot – between the two tropics; temperate – between a tropic and a polar circle (two); cold – from a polar circle to the pole (two).
4
How many extra hours does the Earth “collect” in 4 years (6 hours per year)?
24
5
Where you live, how does the length of your shadow differ in the morning and at noon in summer? Observe (without looking at the Sun) and write.
The shadow is long in the morning and shortest at noon because the Sun is highest at noon.