Understanding the Weight of the Sky

What is the primary reason the sky has weight?

• It is composed of gas molecules that have mass.

• It is made of water vapor.

• It is filled with clouds.

• It is a solid structure.

How is the weight of the air distributed over the Earth's surface?

• It is only above the equator.

• It is evenly distributed.

• It is only above the oceans.

• It is concentrated at the poles.

What is the average air pressure exerted on us per square inch?

• 14.7 pounds

• 12.3 pounds

• 10.5 pounds

• 16.8 pounds

How does air pressure affect us?

• It only presses down from above.

• It presses on us from all directions.

• It has no effect on us.

• It only affects us at sea level.

The weight of the sky is equivalent to how many adult Indian elephants?

• 570,000,000,000,000

• 1,000,000,000,000

• 100,000,000,000

• 10,000,000,000