Effect of Moving Air

Q.

What is the abstract noun of hot ?

Q.

What is the abstract noun of warm

Q.

During winters we feel cold because:

1. Heat flows from the surrounding to us

2. Can’t be said

3. No heat flows

4. Heat flows from us to the surrounding

Q.

Why is it advisable not to shut all the doors and windows during a storm?

Q. Which of the following properties of wind is not useful to mankind?

1. It helps to maintain average temperature on the earth.
2. It disperses fresh air from one place to another.
3. It helps in the formation of clouds.
4. It helps in the formation of tornados

Q. Which of the statements given below is correct?

1. A cyclone is formed by a very high-pressure system with very high-speed winds revolving around it.
2. Wind flows from land to ocean during the summer.
3. The coastline of India is not vulnerable to cyclones.
4. Wind flows from land to ocean during the winter.

Q.

identify that furnace is hot or cold

Q. Wind blows from land to sea during the daytime.

1. \N
2. \N

Q. If a force is applied on an object in the direction of its motion, speed of the object ___.

1. decreases
2. increases
3. doesn't change
4. first decreases, then increases

Q.

Which part of Earth gets maximum heat from the sunlight?

1. North pole

2. South pole

3. Equator

4. Tropic of Capricorn

Q. During winters we feel cold because:

1. Heat flows from the human body to the surroundings.
2. Direction of heat flow cannot be predicted.
3. No heat flows between the surroundings and the human body.
4. Heat flows from the surroundings to the human body.

Q. The main cause of wind is uneven heating of Earth.

1. True
2. False

Q.

In the coastal area, the wind current moves from the sea towards the land during the day; but during the night it moves from land to the sea. Discuss the reason.

Q. During winter mornings why do people stand in the Sun? Explain.

Q. Arrange the following in the order of increasing wind speed.

1. Wind
2. Breeze
3. Storm
4. Cyclone

Q. A house facing the sea in the north direction has some clothes hung in its balcony. The clothes will swing towards ______ in the afternoon.

1. north
2. south
3. east
4. west

Q. Arrange the following in the order of increasing wind speed.

1. Wind
2. Breeze
3. Storm
4. Cyclone

Q. What is the appropriate step to prevent a weak thatched roof from blowing off when strong winds are blowing over it?

1. Open the doors and windows of the hut.
2. Close the doors and windows of the hut.
3. Burn wood inside.
4. Make holes in the roof.