HARD
7th CBSE
IMPORTANT
Earn 100

What causes volcanic eruptions?

Important Questions on Our Changing Earth

HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 3
What type of features are formed by vertical tectonic movements?
EASY
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 4
What is meant by weathering of rocks?
MEDIUM
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 5
How are waterfalls created?
HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 1

Distinguish between the following:

(a) Weathering and erosion

(b) Active volcanoes and dormant volcanoes

HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 1
With the help of diagram explain the formation of an 'oxbow lake'.
HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 2
Explain briefly the work of wind as an agent of erosion.
HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 3
The Earth experiences about a million earthquakes every year, about two earthquakes per minute. What can we do to minimise the effects of earthquakes?
HARD
7th CBSE
IMPORTANT
Social Science Success Book 7>Chapter 13 - Our Changing Earth>TIME TO LEARN>Q 4
"Weathering refers to processes that break the rocks into smaller and smaller pieces." Does weathering provide some benefits also? Explain.