air pressure

Air pressure from the outside has little effect on the water.

The room behind it seemed to have a low air pressure.

A change of air pressure told them that a great door had opened.

On a mountain top the air pressure is a little lower.

Down here at the bottom it is higher than the air pressure.

For the most part, these changes in air pressure are extremely small.

They also keep air pressure in the ears at the right level.

One group read temperature first and the other air pressure.

"I guess where you were held its air pressure, too."

We all encounter changes to air pressure around us in many ways.

There was a sudden change in air pressure around her.

Not only that, but they would have to do something about the loss of air pressure within the station.

Perhaps it was a patch of dark water he took for better air pressure.

Remember, the lower the altitude, the higher the air pressure.

He stood up and the air pressure shoved him down.

The air pressure is used to drive the operator above the door.

The higher the air pressure, the more dense it is.

But please keep an eye on the air pressure monitor.

That seemed too simple- The air pressure in the room altered.

The higher through the atmosphere you travel, the lower air pressure.

Our teacher said that it was temperature and air pressure.

Also, what effect does air pressure have on surface tension?

Air pressure has little or no effect on surface tension.

It may have been associated with the sudden change in air pressure.

"See those changes in the air pressure," an observer behind him said.