Earth's Domains and Resources

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Questions and Answers

Which zone of the Earth primarily refers to the land?

  • Biosphere
  • Lithosphere (correct)
  • Atmosphere
  • Hydrosphere

What percentage of the Earth's water is suitable for drinking?

  • 10%
  • 15%
  • 5%
  • 1% (correct)

Which of the following is NOT one of the four main spheres of the Earth?

  • Hydrosphere
  • Atmosphere
  • Biosphere
  • Geosphere (correct)

What component is essential for plants to prepare food?

<p>Sunlight (D)</p> Signup and view all the answers

What is the primary function of soil in the lithosphere?

<p>Supporting plant growth (B)</p> Signup and view all the answers

Which of the following is a characteristic of glaciers?

<p>Large masses of ice formed by snow (D)</p> Signup and view all the answers

What is the primary significance of the Sun to Earth?

<p>Supplies light and heat (D)</p> Signup and view all the answers

Which landform is considered the highest in the lithosphere?

<p>Mountains (B)</p> Signup and view all the answers

Which continent is India located in?

<p>Asia (A)</p> Signup and view all the answers

Which of the following represents the sphere associated with living organisms?

<p>Biosphere (A)</p> Signup and view all the answers

What role does the ozone layer play in relation to the Sun's radiation?

<p>It absorbs harmful rays. (C)</p> Signup and view all the answers

Which statement about the biosphere is true?

<p>It encompasses all living beings on Earth. (D)</p> Signup and view all the answers

Which layer of the atmosphere is closest to the Earth's surface?

<p>Troposphere (C)</p> Signup and view all the answers

What does the atmosphere provide that is essential for living beings?

<p>Air (C)</p> Signup and view all the answers

Which of the following is a harmful type of wave from the Sun?

<p>Ultraviolet waves (A)</p> Signup and view all the answers

Which term accurately describes the combination of air, water, and land where life exists?

<p>Biosphere (C)</p> Signup and view all the answers

How does air influence the climate of the Earth?

<p>It regulates temperature and weather patterns. (A)</p> Signup and view all the answers

What is the best description of the hydrosphere?

<p>All water-related parts of Earth (D)</p> Signup and view all the answers

Which layer of the atmosphere is located above the troposphere?

<p>Stratosphere (B)</p> Signup and view all the answers

What is the primary reason Earth is referred to as the 'Blue Planet'?

<p>It has large amounts of water covering its surface. (B)</p> Signup and view all the answers

Which layer of the atmosphere is responsible for weather changes?

<p>Troposphere (D)</p> Signup and view all the answers

What is the primary mode of transportation provided by the atmosphere?

<p>Sound and heat transfer (A)</p> Signup and view all the answers

Which of the following industries utilizes water in its manufacturing process?

<p>Textile industry (D)</p> Signup and view all the answers

What role does water play in agriculture?

<p>It is used for irrigation. (A)</p> Signup and view all the answers

Which ocean is NOT one of the five major oceans?

<p>Mediterranean Sea (D)</p> Signup and view all the answers

Which atmospheric layer contains the ozone layer?

<p>Stratosphere (B)</p> Signup and view all the answers

What is an important mineral resource found in water?

<p>Oil (C)</p> Signup and view all the answers

Which water body is NOT categorized under the hydrosphere?

<p>Mountains (B)</p> Signup and view all the answers

Which of the following aquatic animals is NOT commonly found in water?

<p>Elephant (A)</p> Signup and view all the answers

What is a key function of the atmosphere for Earth?

<p>To absorb harmful sunrays (A)</p> Signup and view all the answers

The lithosphere includes landforms such as mountains, valleys, and hills.

<p>True (A)</p> Signup and view all the answers

The hydrosphere consists mostly of usable freshwater.

<p>False (B)</p> Signup and view all the answers

The atmosphere is the zone that supports all living organisms on Earth.

<p>False (B)</p> Signup and view all the answers

Soil is essential for plant growth as it is composed of rocks, minerals, water, air, and organic matter.

<p>True (A)</p> Signup and view all the answers

The Sun is important for life on Earth because it provides light and heat necessary for plants to prepare food.

<p>True (A)</p> Signup and view all the answers

The hydrosphere covers about three-fourths of the Earth's surface.

<p>True (A)</p> Signup and view all the answers

Water is a permanent resource and cannot be renewed.

<p>False (B)</p> Signup and view all the answers

Amphibians are life forms that do not live in water.

<p>False (B)</p> Signup and view all the answers

The troposphere is the highest layer of the atmosphere.

<p>False (B)</p> Signup and view all the answers

The ozone layer is located in the stratosphere.

<p>True (A)</p> Signup and view all the answers

The Earth's atmosphere is a mixture of gases, water vapors, and dust particles.

<p>True (A)</p> Signup and view all the answers

Water is not important for domestic purposes.

<p>False (B)</p> Signup and view all the answers

Many industries use water in some processes of manufacturing goods.

<p>True (A)</p> Signup and view all the answers

The exosphere is the lowest layer of the atmosphere.

<p>False (B)</p> Signup and view all the answers

Water is a storehouse of important mineral resources like oil and natural gas.

<p>True (A)</p> Signup and view all the answers

Besides land, what are the other three major zones or 'spheres' that encompass everything on Earth?

<p>air, water, and the living world</p> Signup and view all the answers

What two forms does the majority of the Earth's water exist in, making it unusable for drinking?

<p>salty water and frozen glaciers/polar ice caps</p> Signup and view all the answers

What does the term 'bio' mean in the context of biosphere?

<p>Life</p> Signup and view all the answers

What is the name given to the energy from the Sun?

<p>solar energy</p> Signup and view all the answers

What does the lithosphere consist of?

<p>It includes different types of landforms such as mountains, valleys, and hills.</p> Signup and view all the answers

Besides humans, name one other type of living being that is part of the biosphere.

<p>Plants, animals, birds, or insects.</p> Signup and view all the answers

What is the main function of the ozone layer?

<p>To absorb harmful rays from the Sun.</p> Signup and view all the answers

What is the uppermost layer of the Earth's crust in which plants grow, and what are its components?

<p>soil, composed of rocks, minerals, water, air, and dead and decayed plants and animals</p> Signup and view all the answers

Name two continents mentioned in the text.

<p>Any two of: Asia, Africa, North America, South America, Europe, Australia, or Antarctica.</p> Signup and view all the answers

What is one key function of the atmosphere?

<p>It serves as a medium for the movement of heat and sound waves, provides air for living beings, or greatly affects the climate of the entire Earth.</p> Signup and view all the answers

What are glaciers primarily composed of and how do they move?

<p>large masses of ice that move very slowly</p> Signup and view all the answers

What is meant by the term 'ultraviolet' in the context of the Sun?

<p>Harmful waves of the Sun</p> Signup and view all the answers

Name two ways that humans use water domestically.

<p>Cooking, washing, or cleaning.</p> Signup and view all the answers

Besides being used for drinking, name two ways that living beings use water.

<p>Plants make food, irrigation in agriculture.</p> Signup and view all the answers

What is the name of the layer of the atmosphere in which weather changes take place?

<p>Troposphere</p> Signup and view all the answers

Name two uses of water that are related to trade or travel.

<p>Modes of transportation and trade.</p> Signup and view all the answers

What is the name of the atmospheric layer that is right above the stratosphere?

<p>Mesosphere</p> Signup and view all the answers

Name two edible plants that can be found in water?

<p>Water chestnut (singhara), lotus stem (kamal kakdi).</p> Signup and view all the answers

Give two specific examples of animals besides fish, that live in water.

<p>Amphibians, reptiles, or mammals.</p> Signup and view all the answers

Why is the atmosphere considered a blanket for the Earth?

<p>Absorbs harmful sunrays, keeps Earth warm</p> Signup and view all the answers

What is the name of the outermost layer of the atmosphere?

<p>Exosphere</p> Signup and view all the answers

What specific function does the ozone layer, found in the stratosphere, perform?

<p>Absorbs the Sun's harmful ultraviolet rays.</p> Signup and view all the answers

The lithosphere is the 'solid' part of the Earth that includes different types of landforms, such as mountains, valleys, and _______.

<p>hills</p> Signup and view all the answers

Almost 97% of the water in the hydrosphere is _______.

<p>salty</p> Signup and view all the answers

The atmosphere is the domain of _______ that surrounds the Earth.

<p>air</p> Signup and view all the answers

The zone that contains all living organisms is known as the _______.

<p>biosphere</p> Signup and view all the answers

The Earth revolves around the _______ and depends on it for light and heat.

<p>Sun</p> Signup and view all the answers

The hydrosphere is made up of oceans, seas, ponds, rivers, and ______.

<p>streams</p> Signup and view all the answers

Water is essential for ______ in agriculture, helping to ensure crops grow healthily.

<p>irrigation</p> Signup and view all the answers

The Earth's atmosphere serves as a blanket by absorbing harmful ______ rays.

<p>sun</p> Signup and view all the answers

The lowest layer of the atmosphere, where weather changes happen, is called the ______.

<p>troposphere</p> Signup and view all the answers

The five major oceans include the Pacific, Atlantic, Indian, Arctic, and ______ oceans.

<p>Southern</p> Signup and view all the answers

The ______ layer of the atmosphere contains the ozone layer.

<p>stratosphere</p> Signup and view all the answers

Water is crucial for ______ materials such as fish and edible plants.

<p>food</p> Signup and view all the answers

Many species of ______ and mammals live in aquatic environments.

<p>fish</p> Signup and view all the answers

The outermost layer of the atmosphere is called the ______.

<p>exosphere</p> Signup and view all the answers

Water is used for domestic purposes like cooking, washing, and ______.

<p>cleaning</p> Signup and view all the answers

Match the following domains of the Earth with their descriptions:

<p>Lithosphere = The solid part of the Earth containing landforms Hydrosphere = The zone of water including oceans and rivers Atmosphere = The layer of air surrounding the Earth Biosphere = The zone of living organisms and ecosystems</p> Signup and view all the answers

Match the following terms with their appropriate examples:

<p>Lithosphere = Mountains Hydrosphere = Oceans Atmosphere = Airplanes flying Biosphere = Plants and animals</p> Signup and view all the answers

Match the following concepts with their significance to life on Earth:

<p>Sunlight = Essential for photosynthesis Soil = Supports plant growth Water = Necessary for all living creatures Air = Provides oxygen for respiration</p> Signup and view all the answers

Match the following spheres with their primary components:

<p>Lithosphere = Rocks and minerals Hydrosphere = Water bodies Atmosphere = Gases and air particles Biosphere = Living organisms and ecosystems</p> Signup and view all the answers

Match the following percentage descriptions related to Earth's water:

<p>97% = Salty water in oceans 2% = Frozen water in glaciers 1% = Freshwater suitable for drinking 0% = Water that is unavailable</p> Signup and view all the answers

Flashcards

Atmosphere

The layer of air surrounding Earth, composed of gases, water vapor, and dust particles.

Troposphere

The lowest layer of the atmosphere where weather occurs.

Stratosphere

The layer above the troposphere containing the ozone layer, which filters harmful UV rays.

Hydrosphere

The part of the Earth covered by water, including oceans, seas, lakes, rivers, and streams.

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Irrigation

The process of supplying water to land for crop growth.

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Pacific Ocean

The largest ocean on Earth, located between Asia, Australia, and the Americas.

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Water

A valuable resource that living things need for survival and many other purposes.

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Aquatic Life

Life forms that live in or near water, including fish, amphibians, reptiles, and mammals.

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The Atmosphere's Role

It absorbs harmful solar radiation and helps regulate Earth's temperature.

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Mesosphere

The layer above the stratosphere, where meteors burn up.

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Lithosphere

The solid, rocky outer layer of the Earth, including mountains, valleys, and hills. It also includes continents, large landmasses separated by oceans.

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Biosphere

The part of Earth where all living things exist, including plants, animals, and humans. It encompasses all ecosystems.

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Photosynthesis

The process where plants use sunlight, water, and carbon dioxide to produce their own food (sugars).

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Solar Energy

Energy from the sun, vital for life on Earth, providing both light and heat.

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Soil

The uppermost layer of the Earth's crust where plants grow, composed of rocks, minerals, water, air, and decaying matter.

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Continents

The largest landmasses on Earth, separated by oceans.

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Glaciers

Large masses of ice formed by snow on mountains that move very slowly.

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Mountain

A geographical feature on the lithosphere that rises significantly above the surrounding area.

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Ozone layer

The layer of the Earth's atmosphere that protects us from harmful solar radiation, primarily ultraviolet rays.

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Ultraviolet radiation

A type of radiation emitted by the Sun that is harmful to living organisms, especially in high doses.

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Thermosphere

The layer of the Earth's atmosphere above the mesosphere, known for very high temperatures.

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What is the Lithosphere?

The solid, rocky outer layer of the Earth, including mountains, valleys, hills, and continents.

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What's the Biosphere?

All living things on Earth, including plants, animals, and humans. It encompasses all ecosystems.

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What's the Atmosphere?

The layer of air surrounding the Earth, composed of gases, water vapor, and dust particles.

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What's the Hydrosphere?

All the water on Earth, including oceans, seas, lakes, rivers, and ice.

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What is Solar Energy?

Energy from the Sun, vital for life on Earth, providing both light and heat.

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What is irrigation?

The process of supplying water to land for crop growth.

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Which layer is the troposphere?

The lowest layer of the atmosphere where weather happens.

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What is the stratosphere?

A layer in the atmosphere above the troposphere, containing the ozone layer which absorbs harmful UV rays.

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Which ocean is the largest?

The Earth's largest ocean, located between Asia, Australia and the Americas.

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Why is water important?

It is essential for all living things, used for drinking, plant growth, agriculture, manufacturing, and many other purposes.

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Where do aquatic animals and plants live?

Fish, amphibians, reptiles, and mammals are just a few examples of life forms that thrive in this environment.

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What is the nickname of our planet?

The Earth is known as the 'Blue Planet' because it is mostly covered in water.

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How does the ocean impact climate?

The ocean plays a vital role in regulating Earth's climate.

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How is the atmosphere structured?

The Earth's atmosphere is divided into distinct layers, each with unique characteristics.

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Where's the troposphere?

It's the lowest layer of the atmosphere, where weather happens. Think clouds, rain, wind, and temperature changes.

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What is aquatic life?

Many animals and plants live in or near water. They're called 'aquatic' life, and they can be found in all sorts of watery places.

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Why is Earth nicknamed the 'Blue Planet'?

Our planet is nicknamed the 'Blue Planet' because most of its surface is covered by water. It's a beautiful sight from space.

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How is water used for trade and transport?

Since ancient times, people have used water to travel and move things around. Think of boats, ferries, and waterways.

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Why is water important for life?

Water is vital for all living things to survive. We drink it, animals drink it, and plants use it to grow.

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What are some different uses for water?

Water is a valuable resource used in farming, industry, and even to generate electricity. We need to conserve it.

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Study Notes

Domains of the Earth

  • Earth has four major zones: land, air, water, and the zone of living things
  • These zones are also called spheres
  • The lithosphere is the solid part of the Earth
  • Includes features like mountains, valleys, and hills
  • Continents are large landmasses separated by oceans
  • The continents are Asia, Africa, North America, South America, Europe, Australia, and Antarctica
  • India is located in Asia
  • Soil is the uppermost layer of the Earth's crust
  • Composed of rocks, minerals, water, air, and organic matter
  • Supports life on Earth indirectly, as living beings depend on plants for food
  • Almost 97% of water is salty, while 2% is frozen in glaciers and polar ice caps. Only 1% is suitable for drinking
  • Glaciers are large masses of ice formed by snow on mountains, moving slowly
  • The atmosphere is a layer of air surrounding Earth, a mixture of gases, water vapor, and dust particles
  • Acts as a protective blanket absorbing harmful sun rays, preventing them from entering the Earth, and keeping the Earth warm.

Importance of Water

  • Water is a precious, renewable resource
  • Essential for all living things to drink and plants to make food
  • Used for irrigation, manufacturing goods, domestic purposes, and transportation
  • Also a source of important minerals (oil, petroleum, natural gas)
  • Provides food (fish, crabs, prawns, water chestnuts, lotus stems)
  • Water is used for trade and travel

Importance of Atmosphere

  • The atmosphere is vital for all living beings
  • Acts as a medium for heat and sound transmission
  • Important for transportation
  • Influences Earth's climate
  • Its ozone layer protects Earth from harmful solar radiation

Biosphere

  • Biosphere is made of two parts: 'life' and 'sphere'
  • Refers to the part of Earth with life
  • Contains all living things: plants, humans, animals, etc.
  • Includes parts of all the Earth's spheres (atmosphere, hydrosphere, lithosphere) where life exists

Structure of the Atmosphere

  • The atmosphere is divided into five layers
  • The layers differ in thickness and temperature
  • The troposphere is the lowest layer, where weather changes occur
  • The stratosphere contains the ozone layer, which absorbs the Sun's harmful UV rays
  • The mesosphere is above the stratosphere
  • The thermosphere is above the mesosphere
  • The exosphere is the outermost layer, protecting from some radiation from the sun
  • The atmosphere is a mixture of various gases, water vapors and dust particles
  • It acts as a blanket, absorbing harmful sun rays and preventing them from entering the Earth
  • It keeps the Earth warm
  • Includes water vapor and dust particles
  • The layers, from lowest to highest are: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
  • Observation rockets and unmanned satellites are in the exosphere

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