online science games planets

Selenium (Se) - 'Seles' Greek name for the moonPlutonium (Pu) - Neptunium (Np) Uranium (U)Mercury was named after a planet but derives its symbol Hg from the Latin word 'Hydragyrum' meaning liquid sil..

Question: List out the factors on which the acceleration due to gravity of a planet depends on. Answer: Mass of the planet Radius of the planet..

The force of attraction or force of gravitation between Earth (or any planet) and any other material objects in the universe is known as force of gravity or gravit..

We have learnt about the motion of objects based on the definition of displacement, velocity and acceleration. Now let us see the causes that influence the motion of bodies. Have you wondered why certain natural phenomena occur and why they continue to occur in the same way? For instance - why do t..

An object is said to be at rest if it does not change its position with respect to its surroundings. Have you watched the night sky? You have observed that the position of stars and planets change while you remain stationary. In reality the earth is moving too. Thus, an object which a..

Question: Name the fundamental force which holds the planets in their orbits around the sun. 1. Gravitational force of attraction 2. Electrostatic static force of attraction 3. Nuclear force of attraction 4. Electro static force of attraction Answer: ..

Introduction - The term environment refers to the natural elements that make up the earth and surround living organisms, making life processes possible. Soil, water, air, light and temperature are the physical aspects of environment and are known as its 'abiotic' components. All plants and animals ..

. These different positions of the images formed at short intervals of time give the impression that the star is twinkling. Variation in the Size of the Sun At dusk or dawn the Sun appears to be larger than at noon. This is because when the sun is near the horizon the rays of light coming from the ..

Poultry includes all domestic birds - chicken, ducks, geese and turkey. They are reared for their meat and eggs. Poultry farming in India has made rapid strides as poultry management is being done on scientific lines. The three indigenous breeds of fowls are Arlee or Indian Game (provides..