If you are looking for TN Board Class 8 Geography Unit 2 Weather and Climate, then you are at the right place. Here we are providing solutions as well as additional QA / Important Notes.
I Choose the correct answer
Earth’s atmosphere contains about percentage of nitrogen and oxygen.
- 78% and 21%
- 22% and 1%
- 21% and 0.97%
- 10% and 20%
……….is generally defined as the average conditions of the weather of a place or a region.
- Earth
- Atmosphere
- Climate
- Sun
The earth receives energy from .
- Current
- Electro magnetic radiation
- Waves
- Heat
Which one the following represents places with equal amount of rainfall
- Isotherm
- Isohel
- Isobar
- Isohytes
……….is used to measure the humidity.
- Anemometer
- Barometer
- Hygrometer
- Thermometer
II Fill in the blanks
- _____________ refers to the condition of atmosphere for a short period of time.[weather]
- The scientific study of weather is called ____.[meterology]
- The highest temperature ever recorded on the earth is ______________.[56.7°C (134°F)]
- _____________ is a ratio between the actual amount of water vapour and the maximum amount of water vapour the air can hold.[Relative humidity]
- ____________ and_____________ are measured by anemometer and wind vane respectively.[Wind speed and wind direction]
- _________ are imaginary lines which connect the same temperatures of different places.[Isotherms ]
III Match the following
- Climate – Locating and Tracking Storms
- Isonif – Cyclone
- Hygrometer – Equal Snowfall
- Radar – Long Term Changes
- Low Pressure – Humidity
Answer
- Climate – Long Term Changes
- Isonif – Equal Snowfall
- Hygrometer – Humidity
- Radar – Locating and Tracking Storms
- Low Pressure – Cyclone
IV State whether the following statements are True or False
- The atmosphere is a layer of gases surrounding the earth.[True]
- The Scientific study of weather is called Climatology.[False]
- Isohel refers equal sunshine.[True]
- Humidity is calculated by Aneroid Barometer.[False]
V Answer briefly.
