Last updated on July 3rd, 2023 at 09:17 pm
Class 3 The earth in the Universe Solutions
Class 3 The earth in the Universe Solutions | Grade 3 Social Science Question Answers | for all the students of CBSE / ICSE Board Exams……
What is universe Question and Answers :-
Fill in the blanks:
- The ………. revolves around the earth.[Moon]
- A …………. is a group of stars.[Constellation]
- The …………. is the earth’s natural satellite.[Moon]
- The sun is a …………..[Star]
- The moon receives its light from the ………….[Sun]
- The ………….. planet from the sun is Earth.[Third]
- The ………….is a vast expanse of space. [Universe]
- ……….. is a huge ball of hot burning gases? [Sun]
- Great bear is also known as ………………. [Saptarishi]
- ………… are heavenly bodies that travel around a star. [Planets]
- The …………. is the brightest object in the sky at night? [Moon]
- ………… is earth’s nearest neighbour in space. [Moon]
- The sun and the planets together form the …………[Solar system]
- ……………… is the only known planet to have life. [Earth]
- The earth is made up of …………. and ………………
Answer the following question:
Q: What is the universe?
A: The universe is a vast expanse of space that contains various heavenly bodies like stars, planets, and moons, as well as dust, gases, and pieces of rock.
Q: How big is the Earth compared to the universe?
A: The Earth is like a grain of salt in the vast universe.
Q: What are the twinkling lights that we see in the night sky?
A: The twinkling lights that we see in the night sky are stars.
Q: What is a star?
A: A star is a huge ball of hot burning gases that gives out heat and light.
Q: How many stars are there in the universe?
A: There are millions and millions of stars in the universe.
Q: What are constellations?
A: Constellations are groups of stars that appear to make patterns in the night sky.
Q: How are constellations named?
A: Constellations are named after creatures and persons from myths or legends.
Q: Can you name some well-known constellations?
A: Some well-known constellations are Leo, Ursa Major (also called the Great Bear), and Orion.
Q: What is the Great Bear constellation known as in India?
A: The Great Bear constellation is known as the Saptrishi in India.
Q: What is the Sun?
A: The Sun is a star, which is a huge ball of very hot gases.
Q: How close is the Sun to the Earth?
A: The Sun is the star closest to the Earth.
Q: What does the Earth get from the Sun?
A: The Earth gets its light and heat from the Sun. Without the Sun, there would be no life on Earth.
Q: How many planets are there circling the Sun?
A: There are eight planets circling the Sun.
Q: What are the names of the planets in the solar system?
A: The names of the planets in the solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Q: What are planets?
A: Planets are heavenly bodies that travel around a star. They are usually round in shape and some of them are made of rocks while others are made of gases.
Q: Do planets have heat or light of their own?
A: No, planets do not have heat or light of their own. They get their heat and light from the star they are orbiting.
Q: Do planets twinkle when seen from Earth?
A: No, unlike stars, planets do not twinkle when seen from Earth. They shine with a steady light.
Q: What is the moon?
A: The moon is a ball of rock that travels around the Earth. It is the brightest object in the sky at night and our nearest neighbor in space.
Q: Does the moon have its own light?
A: No, the moon has no light of its own. It reflects the light of the Sun.
Q: Why does the moon appear to be the same size as the Sun?
A: The moon appears to be the same size as the Sun because it is much closer to the Earth than the Sun.
Q: What is the Earth?
A: The Earth is the third planet from the Sun and it is the only known planet to have life. The surface of the Earth is made up of land and water.
Q: Was Pluto considered a planet of the solar system?
A: Yes, until 2006, Pluto was considered the 9th planet of the solar system.
Q: What happened to Pluto in 2006?
A: In 2006, Pluto was classified as a dwarf planet.
Q: What was thought of the moon for a long time?
A: For a long time, the moon was thought to be a dry, cold, and dead place.
Q: What did India’s spacecraft, Chandrayaan-1, discover about the moon in November 2008?
A: India’s spacecraft, Chandrayaan-1, discovered the presence of tiny amounts of water all over the moon’s surface in November 2008.
Q: Planets do not have their own heat or light. Then how do they shine with a steady light when seen from earth?
Planets do not have their own heat or light. The heat and light they receive come from the star they orbit.
Q: Why can’t we see the stars during the day?
During the day, we cannot see the stars because the sun’s light is too bright.
Q: What is a star? Why do they look so small?
Stars are huge balls of burning gas. They emit their own light and heat. The stars are much larger than the sun, but they appear small because they are so far away.
Q: Describe the solar system.
The solar system consists of the Sun, eight planets and their satellites, asteroids and other celestial bodies. Sun lies at the center of the solar system. The eight planets in the order from the sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. All the planets revolve around the sun.
Q: Why the sun is important?
Ans- The sun is important because it gives us heat and light and plants also make food with the help of sunlight.
Q: The sun and moon appear to be of the same size as the earth why?
Ans- The sun and the moon appear to be of the same size because the moon is much smaller than the sun it looks big because it is much closer to the earth than the sun.
Q: Who were the first people to land on the moon?
Ans- Neil Armstrong and Edwin Aldrin were the first people to land on the moon.
Q: What are constellations and write the names of two constellations?
Ans- Some stars appear to form patterns in the sky these patterns look like figures of animal peoples and things such patterns are called a constitution. Names of the constellation – Great Bear & The Hunter.
Q: Define sun
Ans- Sun is the center of our solar system, all the planets move around the sun it is a huge ball of hot gases it is many times because bigger than the earth. Sun gives us heat and light. The energy obtained from the sun is called solar energy, this energy is used to cook food, and lit street lights at night.
Q: Define moon
Ans- The moon is round like a sun, the moon is much smaller than the sun. Moon’s surface has many big holes called craters. The moon moves around the earth it is also the earth’s natural satellite. the moon does not have its own light because there is no air on the moon so life does not exist there
Q: Why does life exist on earth?
Ans- Life exists on earth because it has air water and the right temperature needed by the living things to survive.
