What is called Neolithic Age?
Neolithic, also called New Stone Age, final stage of cultural evolution or technological development among prehistoric humans. The Neolithic followed the Paleolithic Period, or age of chipped-stone tools, and preceded the Bronze Age, or early period of metal tools.
Why is Stone Age called so?
Why is it called the Stone Age? It is called the Stone Age because it is characterised by when early humans, sometimes known as cavemen, started using stone, such as flint, for tools and weapons. They also used stones to light fires.
What is the shape of Earth Class 2?
What is the shape of Earth Class 11?
The radius of the earth is less at the poles, while it is slightly greater at the equator. So, instead of being perfectly spherical, it is ellipsoid in shape.
Why is life possible on the Earth class 3?
Earth’s amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. Our atmosphere contains water vapor which helps to moderate our daily temperatures. The atmosphere protects us from meteors as well.
Why is the earth called a blue planet Class 3?
Planet Earth has been called the “Blue Planet” due to the abundant water on its surface. Here on Earth, we take liquid water for granted; after all, our bodies are mostly made of water. However, liquid water is a rare commodity in our solar system.
What is a planet Grade 3?
A planet is a large celestial body that revolves around the sun in fixed orbits. Planets do not have any light of their own but reflect the light of the sun. Planets also do not twinkle like stars because they are much closer to us.
What is Class 3 space?
The area outside the earth is the space. In space, there are various celestial objects like planets, meteors, stars etc. These meteors are what ‘fall’ from the sky. Space is a quiet place.
What are planets for Class 6?
The nine planets are Mercury, Venus, Earth, Mars, Jupiter, Uranus, Neptune and Pluto. Planets move around the sun in a fixed orbit. Mercury is the nearest planet. Pluto is the farthest planet.
Which is fifth largest planet?
What is called Planet?
A planet is a large object such as Venus or Earth that orbits a star. Planets are smaller than stars, and they do not produce light. Jupiter is the biggest planet in the Solar System. The name “planet” is from the Greek word πλανήτης (planetes), meaning “wanderers”, or “things that move”.
Why do stars look very small in the sky Class 6?
Stars make their own light, just like our sun (the sun is a star — the closest star to Earth). But the stars are very, very far away from our solar system so they appear to be very tiny to us, even though up close they are large. They reflect the light of the sun in the same way our moon reflects sunlight.