Main landforms of the Earth’s surface
Answers are for parents and teachers.
1
Using a globe, write the two continents crossed by the equator and the two continents lying wholly in the Southern Hemisphere.
Crossed by the equator: Africa and South America; wholly in the Southern Hemisphere: Australia and Antarctica.
2
Mountain heights: 800 m, 1700 m, 2600 m, 4000 m. Group each.
800 – low; 1700 – medium; 2600 – medium-high; 4000 – high.
3
The World Ocean is 71 % and land 29 %. By how many percentage points is the ocean larger?
42
4
Find the four large plains (Amazon, West Siberian, East European, Turan) in the atlas and write which continent each is on.
Amazon – South America; West Siberian, East European and Turan – Eurasia.
5
Why is cutting trees on mountain slopes dangerous? Explain with reference to external forces.
Tree roots hold the soil; if they are cut, rainwater quickly washes the soil away and the risk of mudflows and landslides grows.