____________surround the earth
Clouds
Stars
Air
None of these
You are making a model of the Earth and Moon to show their relative sizes and massiveness. If you take cricket ball as an Earth, then __________ can be taken as moon.
Lawn tennis ball
Table tennis ball
Basket ball
Volley ball
__________ are flat lands.
Plains
Hills
Valleys
Which of the following is not true about the Sun?
It is made up of a huge mass of very hot gases.
It looks bigger because it is the only big star found in the galaxy.
It provides heat and light energy for the living things to survive on earth.
It is not safe to look directly at the sun with our naked eye.
____________ part of the earth's surface is covered by water.
One third
Two third
One fourth
Three fourth
We cannot live without
Nitrogen
Oxygen
Hydrogen
Why is Sun important to the Earth?
It provides green plants with light energy to make food.
It provides heat to enable living things to survive on Earth.
It rotates around the earth to give us seasons.
None of the above
Very big hills are called
Mountain
The Earth is covered by
Snow
Water
The imaginary line on which the Earth is tilted is called
Equator
Axis
Poles
Tropic
