Social Science Lesson 2 The Earth Our Home

Mars is the correct answer because it is the planet that lies between Earth and Jupiter. It is the fourth planet from the Sun and is located in the inner region of the Solar System, closer to Earth than Jupiter.

An atlas is a book of maps.

The layer of air surrounding the Earth is called the atmosphere. This layer is composed of various gases, such as nitrogen, oxygen, and carbon dioxide, which are essential for supporting life on Earth. The atmosphere acts as a protective shield, shielding the Earth from harmful solar radiation and regulating the planet's temperature. It also plays a crucial role in the water cycle and weather patterns.

A compass is used to find directions. It consists of a magnetized needle that aligns itself with the Earth's magnetic field, pointing towards the magnetic north pole. By using a compass, one can determine the cardinal directions (north, south, east, and west) and navigate accurately. A rain gauge is used to measure the amount of rainfall, while a thermometer is used to measure temperature. Therefore, the correct answer is compass.

An ocean is the correct answer because it refers to a very large body of water. Oceans are vast bodies of saltwater that cover a significant portion of the Earth's surface. They are much larger than ponds and lakes, which are smaller bodies of water. Therefore, an ocean is the most suitable term to describe a very large body of water.

Temperature is one of the key factors that allows us to live on Earth. It influences various aspects of our environment, such as the availability of liquid water, which is essential for life as we know it. The Earth's temperature is within a range that supports the existence of liquid water, making it suitable for the development and sustenance of life. Additionally, temperature affects many biological processes, including the functioning of our bodies. Therefore, the presence of the right temperature on Earth is crucial for our survival.

A model of the Earth is called a globe because a globe is a three-dimensional representation of the Earth's surface. It accurately depicts the Earth's shape and proportions, including the continents, oceans, and other geographical features. Unlike a map, which is a two-dimensional representation, a globe provides a more realistic and accurate depiction of the Earth's geography. Similarly, a sphere is a three-dimensional object, but it does not specifically represent the Earth's features like a globe does.

The needle of a compass is magnetized and aligns itself with the Earth's magnetic field. The Earth's magnetic field has a magnetic north pole near the geographic North Pole. Therefore, the needle of a compass always points towards the magnetic north, which is close to the geographic North. Hence, the statement is true.

Neptune is the furthest planet from the Sun in our solar system. It is located about 2.7 billion miles away from the Sun on average. This distance makes Neptune the most distant planet from the Sun compared to all the other planets.

The statement is true because about 70% of the Earth's surface is covered by water, while only around 30% is land. This means that there is indeed more water than land on Earth.

The statement is true because large maps that are hung on walls are commonly referred to as wall maps. These maps are designed to be displayed on walls for easy reference and viewing. They are often used in classrooms, offices, and other spaces where a large-scale map is needed for educational or decorative purposes.

Mercury is the planet closest to the Sun. It orbits the Sun at an average distance of about 36 million miles (58 million kilometers). Its proximity to the Sun means that it experiences extremely high temperatures, with surface temperatures reaching up to 800 degrees Fahrenheit (430 degrees Celsius). Mercury also has a very thin atmosphere and a rocky surface, making it quite different from the other planets in our solar system.

Saturn is the correct answer because it is the planet located between Jupiter and Uranus. Saturn is the sixth planet from the Sun and is known for its beautiful rings. It is larger than Earth and has a prominent presence in the solar system.

There are eight planets in our solar system.

Asia is the largest and most populous continent in the world, covering about 30% of the Earth's land area. It is home to a diverse range of cultures, languages, and ethnicities. Given that the question asks about the continent in which we live, Asia is the correct answer as it is the continent where a significant portion of the global population resides, including countries like China, India, Japan, and Indonesia.

A compass is an instrument that is used to find directions. It consists of a magnetized needle that aligns itself with the Earth's magnetic field, allowing users to determine the cardinal directions of north, south, east, and west. By using a compass, individuals can navigate and orient themselves in unfamiliar places, making it an essential tool for travelers, hikers, and explorers. The compass is a reliable and widely used instrument for finding directions due to its simplicity and accuracy.

The statement is incorrect. Earth actually has seven continents and five oceans. The continents are Africa, Antarctica, Asia, Europe, North America, Australia, and South America. The oceans are the Atlantic Ocean, Arctic Ocean, Indian Ocean, Southern Ocean, and Pacific Ocean.

The comparison between the shape of the earth and an orange suggests that the earth is round, just like an orange. Both the earth and an orange have a spherical shape, with a slightly flattened top and bottom. This comparison is commonly used to explain the shape of the earth to young children or those who may not have a scientific understanding of its shape.

The given answer, Indian Ocean, is correct because it is named after our country, India. The Indian Ocean is the third largest ocean in the world and is located between Africa, Asia, and Australia. It is called the Indian Ocean because it is bordered by the Indian subcontinent on the north, east, and west. The name reflects the historical and geographical significance of India's influence in the region.

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Water covers about 3/4th or three fourth part of the Earth. This means that approximately 75% of the Earth's surface is covered by water.