TOEFL R-Sentence Simplification

Front

What is atmospheric pressure?

Back

Atmospheric pressure is the force exerted by the weight of air molecules in the atmosphere on a surface. It decreases with altitude.

Front

How does atmospheric pressure affect our bodies?

Back

Our bodies are sensitive to changes in atmospheric pressure, which can cause sensations like ear popping during altitude changes.

Front

What causes gas pressure?

Back

Gas pressure is caused by the collisions of gas molecules with the surfaces of objects.

Front

Why do our ears pop during take-off and landing in a plane?

Back

Ears pop due to the rapid change in atmospheric pressure, which affects the pressure in the middle ear.

Front

What happens to atmospheric pressure as you dive underwater?

Back

As you dive underwater, atmospheric pressure increases due to the weight of the water above you.

Front

What is the relationship between altitude and atmospheric pressure?

Back

As altitude increases, atmospheric pressure decreases because there is less air above to exert pressure.

Front

What are some common effects of changes in atmospheric pressure?

Back

Common effects include ear popping, headaches, and changes in breathing patterns.

Front

How can we measure atmospheric pressure?

Back

Atmospheric pressure can be measured using a barometer, which can be either mercury or aneroid.

Front

What is a barometer?

Back

A barometer is an instrument used to measure atmospheric pressure.

Front

What is the significance of understanding atmospheric pressure in aviation?

Back

Understanding atmospheric pressure is crucial for pilots to ensure safe take-offs, landings, and altitude adjustments.