Advertisements
Advertisements
प्रश्न
Fill in the blank
The rate at which the temperature drops in the ____________ is 1°C per 165 metres.
Advertisements
उत्तर
The rate at which the temperature drops in the troposphere is 1°C per 165 metres.
APPEARS IN
संबंधित प्रश्न
We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
Choose the correct answer.
This per cent of the atmosphere is composed of nitrogen.
We need to understand that global warming, climate change, acid rain, and ozone depletion are all happening because of our dependence on fossil fuels and CFC-based technologies. Therefore, the need of the hour is to reduce our dependence on them.
What can you do in this regard?
State whether the following is true or false.
The stratosphere is the lowest layer of the atmosphere.
What is responsible for causing a hole in the ozone layer?
Make a collage using pictures or a chart to show the various causes and consequences of global warming.
What is known as troposphere?
Name different layers of atmosphere. Describe the important characteristics of each layer.
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
Tick the correct answer
As we go up the layers of the atmosphere, the pressure
Tick the correct answer:
The major constituent of atmosphere by percent is ____________
State whether the following sentence is true (T) or false (F).
The atmosphere is composed mainly of nitrogen and oxygen.
Short Answer Type Question:
Give an account of the composition of the atmosphere. Also, discuss the importance of the components.
Take a ball and throw it up in the air observe the increasing speed of the ball when it comes down.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
A layer located in stratosphere which absorbs ultraviolet rays of sun called ______.
The part of atmosphere which is consisted of variable gases with uneven composition is called ______.
The two forms of oxygen found in the atmosphere are
