1. Which gas creates greenhouse effect in the atmosphere?
Carbon dioxide released in the atmosphere creates a greenhouse effect by trapping the heat radiated from the earth. This is greenhouse gas. Without it the earth would have been too cold to live in.
2. What is global warming?
When greenhouse gas level increases due to factory smoke or car fumes, the heat retained increases the temperature of the earth. This is called global warming.
3. Distinguish between weather and climate.
Weather is hour-to-hour, day-to-day condition of the atmosphere. On the other hand, the average weather condition of a place for a longer period of time represents the climate of a place.
4. What is temperature?
The degree of hotness and coldness of the air is called temperature.
5. What is insolation?
Insolation is the incoming solar energy intercepted by the earth.
6. What is air pressure?
Air pressure is defined as the pressure exerted by the weight of air on the earth's surface.
7. What is water vapour?
When water evaporates from land and different water bodies, it becomes water vapour.
8. What is humidity?
Moisture in the air any time is called humidity.
9. What is rain?
Precipitation that comes down to the earth in liquid form is called rain.
10. What is wind?
The movement of air from high-pressure area to low-pressure area is called wind.