The south ward apparent movement of the sun from Tropic of Cancer to Tropic of Capricorn is termed as :

The northward apparat - movement of the sun from Tropic of Capricorn to Tropic of Cancer is termed as :

On which date is the Earth in aphelion?

The day on which the Sun and the earth are nearest is known as :

The day on which the Sun and the Earth are farthest is known as :

The axis of the Earth is tilted at an angle of 66 1/2° from the orbital plane:

Every fourth year has 366 days and is called :

What is caused by the revolution of the Earth?

The speed of revolution of the Earth is :

How many solar days are there in a year?

What takes the Earth 365 days to the Sun?

The Earth moves around the Sun. The movement of the earth around the Sun is called:

What causes day and night ?

How many hours does the Earth takes to complete its rotation?

The spinning of the Earth on its own axis is called :

What is the longitudinal extent of India?

What is the latitudinal extent of India?

What is the angular distance between east and west?

0° longitude is known as the :

What is the name of the parallel that separates the Earth into two hemispheres?

The latitude at 0 degree is known as the _______.

The latitudinal line along the middle of the globe is the longest one & is called :

The vertical lines are called ............... and horizontal lines are called .................

Who was the first person to accurately calculate the circumference of Earth?

The spherical shape of the Earth which is slightly flattened at the poles and bulged at the Equator is known as :

Who among the following was the first to explain that the rotation of the earth on its own axis accounts for the daily rising and setting of the sun?

Who was the first person to predict the Earth was spherical?

The first Earth Summit was held in the year ...........

Earth Summit, 1992 was held in which city ?

What are the three types of precipitation?

What are the major classifications of clouds based on their physical forms?

1. Cirrus clouds
2. Stratus clouds
3. Cumulus clouds
4. Nimbus clouds

If the range of visibility is more than one kilometer, it is called :

Places on the earth were the night temperature fails below 0° Celsius. Instead of dew, tiny ice crystals are formed in such places. This form of condensation is called :

In cool mornings, condensed water droplets can be found on grass blades and other cold surfaces. This is called :

The form of condensation where fine water droplets remain suspended like smoke over the valleys and water bodies is called :

The water vapour condenses around the fine dust particles in the atmosphere are called :

The process by which water vapour cools down to liquid state is called :

Match the following :

Conduction	Heat is transferred from the surface of the earth to the outer space in the form of long waves.
Convection	Heat is transferred to the part of the atmosphere close to the hot surface of the earth.
Advection	Heated air expands and rises up.
Terrestrial Radiation	Horizontal transfer of heat by wind.

The difference between the maximum and the minimum temperatures of a day is called :

The balance between insolation and terrestrial radiation is called :

Match the following :

The stage at which the atmosphere is fully saturated with water	Relative Humidity
The critical temperature at which condensation begins	Saturation level
The ratio between the amount of water vapour present in the atmosphere and the total water holding capacity of the atmosphere at a given temperature	Dew Point
In some instances, due to rapid fall in atmospheric temperature, water vapour directly condenses to solid state	Sublimation

Match the following :

The re-radiation of energy from the surface of the earth back to the outer space in the form of long waves	Heat budget
The balance between insolation and terrestrial radiation	Diurnal range of temperature
The difference between the maximum and the minimum temperatures of a day	Terrestrial radiation
The imaginary lines connecting places having equal atmospheric temperature	Isotherms

The re-radiation of energy from the surface of the earth back to the outer space in the form of long waves is called:

What instrument is used to measure wind speed and wind direction?

Which place in Kerala where windmills installed and energy generated?

Air moves from high pressure regions to low pressure regions. Such air movement is called :

As a result of insolation, the atmospheric air expands, becomes less dense and rises up. This air movement is called :

What is the unit of atmospheric pressure?

In the troposphere the temperature decreases at a uniform rate of 1° Celcius for every 165 metres of altitude. This is called :

The zone of transition above the troposphere is called :