Class 6 Exam  >  Class 6 Tests  >  Test: The Planet Earth - Class 6 MCQ

Test: The Planet Earth - Class 6 MCQ


Test Description

15 Questions MCQ Test - Test: The Planet Earth

Test: The Planet Earth for Class 6 2024 is part of Class 6 preparation. The Test: The Planet Earth questions and answers have been prepared according to the Class 6 exam syllabus.The Test: The Planet Earth MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: The Planet Earth below.
Solutions of Test: The Planet Earth questions in English are available as part of our course for Class 6 & Test: The Planet Earth solutions in Hindi for Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Test: The Planet Earth | 15 questions in 30 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study for Class 6 Exam | Download free PDF with solutions
Test: The Planet Earth - Question 1

What process allows stars to produce their own light?

Detailed Solution for Test: The Planet Earth - Question 1
The phenomenon that enables stars to generate their own light is nuclear fusion. Within the cores of stars, extreme temperatures and pressures facilitate the fusion of hydrogen atoms into helium through a series of nuclear reactions. This process releases a tremendous amount of energy in the form of light and heat, which illuminates the star and radiates outward into space. Nuclear fusion is the fundamental mechanism that sustains a star's luminosity and heat, supporting its existence and influencing its lifespan.
Test: The Planet Earth - Question 2

What do constellations refer to in the context of astronomy?

Detailed Solution for Test: The Planet Earth - Question 2
Constellations are configurations or patterns composed of groups of stars that appear interconnected when viewed from Earth. These star groupings often form recognizable shapes or figures, which have been historically associated with mythological characters, animals, or objects. Constellations serve as celestial landmarks for astronomers and stargazers, aiding in navigation and identification of specific regions of the night sky. While the stars within a constellation may vary in distance from each other, their apparent proximity when viewed from Earth gives rise to these distinctive patterns.
1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: The Planet Earth - Question 3

What is the primary function of the Sun in our solar system?

Detailed Solution for Test: The Planet Earth - Question 3
The Sun serves as the primary source of light and heat in our solar system, essential for sustaining life on Earth and other planets. This immense ball of burning gases, mainly hydrogen and helium, radiates energy outwards, which warms the planets and allows for various processes like photosynthesis to occur.
Test: The Planet Earth - Question 4
What is the significance of the moons of planets in the solar system?
Detailed Solution for Test: The Planet Earth - Question 4
Moons play a crucial role in the solar system by contributing to the stability of planetary orbits. The gravitational interaction between planets and their moons helps maintain the balance and regularity of the orbits, preventing significant disruptions that could affect the overall structure of the solar system.
Test: The Planet Earth - Question 5
How did the Big Bang contribute to the creation of space in the universe?
Detailed Solution for Test: The Planet Earth - Question 5
The Big Bang, a monumental event that marked the beginning of the universe, played a pivotal role in expanding space itself. Following the intense explosion of the Big Bang, the universe rapidly expanded and continues to do so to this day. This expansion process resulted in the creation of additional space between celestial bodies, such as stars, galaxies, and cosmic structures. The concept of cosmic expansion, driven by the Big Bang, underpins the current understanding of the vast and ever-growing expanse of the universe, shaping its structure and evolution over billions of years.
Test: The Planet Earth - Question 6
Why do we experience day and night on Earth?
Detailed Solution for Test: The Planet Earth - Question 6
The occurrence of day and night on Earth is primarily due to the planet's rotation on its axis. As Earth spins, different parts of the planet are either facing towards the Sun (daytime) or away from it (nighttime). The tilt of Earth's axis causes variations in the length of days throughout the year, leading to the changing seasons.
Test: The Planet Earth - Question 7
How do the planets in our solar system differ in their paths around the Sun?
Detailed Solution for Test: The Planet Earth - Question 7
The planets in our solar system have elliptical orbits, meaning their paths around the Sun are not perfect circles but slightly elongated shapes. This variation leads to differences in the distances of the planets from the Sun at different points in their orbits, influencing factors like temperature and orbital speed.
Test: The Planet Earth - Question 8
Which planet in our solar system is the largest?
Detailed Solution for Test: The Planet Earth - Question 8
Jupiter is the largest planet in our solar system. It is a gas giant and is known for its massive size and distinct red spot, which is a giant storm on its surface that has been raging for centuries.
Test: The Planet Earth - Question 9
What makes Earth visually distinct when observed from space?
Detailed Solution for Test: The Planet Earth - Question 9
Earth appears blue when seen from space due to its extensive coverage of water bodies, such as oceans and seas. This unique feature gives our planet a distinct visual characteristic that sets it apart from other celestial bodies. The blue hue is a result of the reflection and absorption of sunlight by the water, creating a beautiful and recognizable sight for astronauts and satellites in orbit.
Test: The Planet Earth - Question 10
How many planets in our solar system are composed mainly of gases and liquids?
Detailed Solution for Test: The Planet Earth - Question 10
Two planets in our solar system are primarily composed of gases and liquids. These planets are Jupiter and Saturn, both of which are gas giants known for their thick atmospheres and lack of solid surfaces.
Test: The Planet Earth - Question 11
What type of planets are Earth and Mars classified as in our solar system?
Detailed Solution for Test: The Planet Earth - Question 11
Earth and Mars are classified as terrestrial planets. Terrestrial planets are rocky planets with solid surfaces, similar to Earth, and are different from the gas giants like Jupiter and Saturn.
Test: The Planet Earth - Question 12
Among the rocky planets in our solar system, which one is the smallest?
Detailed Solution for Test: The Planet Earth - Question 12
Mercury is the smallest rocky planet in our solar system. Despite its small size, Mercury is a fascinating world with extreme temperature variations due to its proximity to the Sun.
Test: The Planet Earth - Question 13
What role do satellites play in modern space exploration and observation?
Detailed Solution for Test: The Planet Earth - Question 13
Satellites in modern times are primarily utilized for various purposes, including monitoring and studying planetary atmospheres. These artificial celestial bodies orbit Earth and other planets to collect data on weather patterns, climate changes, natural disasters, and other environmental phenomena. By analyzing this information, scientists can gain valuable insights into Earth's ecosystems and contribute to our understanding of the universe.
Test: The Planet Earth - Question 14
What distinguishes the Moon from other natural satellites in our solar system?
Detailed Solution for Test: The Planet Earth - Question 14
The Moon stands out among natural satellites in our solar system due to its close proximity to Earth and the absence of an atmosphere. Located approximately 384,400 kilometers away, the Moon orbits our planet and exerts gravitational influence, causing tidal effects. Its lack of air and water means that the Moon is unable to support life as we know it. This distinctive feature sets it apart from other moons orbiting planets in our celestial neighborhood.
Test: The Planet Earth - Question 15
What is the approximate duration of a complete lunar orbit around Earth?
Detailed Solution for Test: The Planet Earth - Question 15
The Moon takes approximately 28 days to complete one orbit around Earth. This lunar cycle, known as a synodic month, consists of various phases, including new moon, first quarter, full moon, and last quarter. The Moon's orbital period influences Earth's tidal patterns and has significant cultural and scientific importance, serving as the basis for lunar calendars and celestial observations throughout history.
Information about Test: The Planet Earth Page
In this test you can find the Exam questions for Test: The Planet Earth solved & explained in the simplest way possible. Besides giving Questions and answers for Test: The Planet Earth, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 6

Download as PDF

Top Courses for Class 6