CBSE Class 3 Science – The Earth and Its Neighbors

Chapter Overview

The Earth is part of the solar system, which includes the Sun, eight planets, their moons, and other celestial bodies like asteroids and comets. This chapter introduces the Earth and its neighbors, helping students understand their basic characteristics and their place in space.

Important Keywords

• Earth: The third planet from the Sun, where we live.
• Sun: The star at the center of our solar system that provides light and warmth to Earth.
• Moon: The natural satellite of Earth that orbits around it.
• Planet: A large celestial body that orbits a star, like Earth, Mars, or Jupiter.
• Solar System: A group of planets and other objects that orbit the Sun.
• Stars: Huge balls of hot gases, including the Sun, that emit light and heat.
• Astronaut: A person who travels in space to explore planets and stars.