Air Pressure and Winds

Isobars are imaginary lines drawn on a map joining places having same or equal mean ______________________ reduced to sea level.

• atmospheric pressure

• temperature

• rainfall

One of the following statements is true for Weather maps. Identify the correct statement:-

• When the isobars are far apart, the pressure gradient is gentle.

• When the isobars are closer, the pressure gradient is gentle.

• When the isobars are closer, the pressure gradient is steep.

• When the isobars are far apart, the pressure gradient is steep.

Tags

NGSS.MS-ESS2-5

A wind vane measures _______________.

• wind speed

• wind direction

• temperature

• air pressure

Tags

NGSS.MS-ESS2-5

_________________________ results into land and sea breezes.

• unequal pressure gradients

• unequal heating of land and water

• unequal distribution of insolation

• none of the above

Tags

NGSS.MS-ESS2-6

Differences in ____________________ creates wind.

• humidity

• mass

• air pressure

• altitude

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

As you move higher in altitude, _______________ (more than one answer)

• density increases

• density decreases

• air pressure increases

• air pressure decreases

How do differences in air pressure cause wind?

• The Coriolis Effect creates wind.

• Air moves from low to high pressure.

• Air moves from high pressure to low pressure.

• The jet stream creates differences in air pressure.

Tags

NGSS.MS-ESS2-6

When there is high pressure above an area of land, you can expect the weather to be __________________________.

• stormy.

• cloudy with a chance of meatballs.

• clear and dry.

• blizzard conditions.

Tags

NGSS.MS-ESS2-5

When there is low pressure over an area of land, you can expect the weather to be ____________________.

• cloudy with precipitation.

• clear and dry.

• sunny and hot.

• unpredictable.

Tags

NGSS.MS-ESS2-5

In what direction does pressure move?

• From low to high

• From north to south

• From east to west

• From high to low

Tags

NGSS.MS-ESS2-6