Physics Wallah

Distribution of water on earth

Share

Share

Distribution of water on earth

Water of Class 7

The distribution of water on the Earth’s surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers and swamps. Looked at another way, only one percent of the water on the Earth’s surface is usable by humans, and 99% of the usable quantity is situated underground.

distribution of earth's water

Related Topics

water revision

NCERT SOLUTIONS FOR CLASS-7 SCIENCE (Science for grade-7 NCERT solutions)

Chapter 1 - Nutrition in Plants

Chapter 2 - Nutrition in Animals

Chapter 3 - Fibre to Fabric

Chapter 4 - Heat

Chapter 5 - Acids, Bases and Salts

Chapter 6 - Physical and Chemical Changes

Chapter 7 - Weather, Climate and Adaptations of Animals to Climate

Chapter 8 - Winds, Storms and Cyclones

Chapter 9 – Soil

Chapter 10 - Respiration in Organisms

Chapter 11 - Transportation in Animals and Plants

Chapter 12 - Reproduction in Plants

Chapter 13 - Motion and Time

Chapter 14 - Electric Current and Its Effects

Chapter 15 – Light

Chapter 16 - Water: A Precious Resource

Chapter 17 - Forests: Our Lifeline

Chapter 18 - Wastewater Story

Popup Close ImagePopup Open Image
Talk to a counsellorHave doubts? Our support team will be happy to assist you!
Popup Image
CTA Image
07019243492
Free Learning Resources
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others
Privacy Policy
Terms of use
Copyright © 2025 Physicswallah Limited All rights reserved.