Untitled Quiz

Anything that can be measured, describing a characteristic of an object, substance, or physical phenomenon, expressed numerically.

A magnitude not defined by other magnitudes; chosen by convention.

A magnitude defined using one or more fundamental magnitudes.

Firing a projectile from the Equator northwards. The projectile's eastward momentum surpasses the slower eastward rotation of Earth at higher latitudes.

Force exerted perpendicularly on a surface area per unit area, scalar quantity.

Measured in Pascals (Pa), equal to one Newton (N) of force acting on one square meter (m²) of surface area.

Quantities for expressing units of fundamental magnitudes, expressed in powers of 10, such as millimeters (mm).

Projectile's path is deflected eastward relative to the ground's movement, due to the initial eastward velocity, and the difference in Earth's rotational speed at the starting and ending latitudes.

The force exerted per unit area by a gas on the walls of its container.

The force from the air above a surface, measured as the weight of the air column above.

A unit of pressure, equal to one Newton per square meter.

A common unit of pressure in the English system.

A line on a map connecting points of equal atmospheric pressure.

1013.25 hPa (or 14.7 psi).

Different ways to measure pressure, including Pascals, bars, millibars, and atmospheres.

Equivalent to 101325 Pa, 1013.25 millibars, or 14.7 psi.

A measure of the average kinetic energy of air molecules.

Atmospheric temperature generally decreases as altitude increases.

Different ways to measure temperature (Celsius, Fahrenheit, Kelvin).

Mass per unit volume of a substance.

Kilograms per cubic meter (kg/m³).

Converting between Celsius, Fahrenheit, and Kelvin.

ρ = m / v, where ρ is density, m is mass, and v is volume.

Temperature of air near the ground is warmer due to heat absorption from the Earth.

The ozone layer's temperature increases due to UV rays converting oxygen to ozone, releasing heat energy. Ionized air becomes a good conductor of heat.

The stratosphere is a layer in the atmosphere above the troposphere, extending to about 30 km (100,000 feet).

The mesosphere (50-85km) is the coldest layer of the atmosphere, reaching temperatures as low as -80°C.

The mesosphere contains only 0.1% of the total air mass. It's a relatively thin layer.

The temperature in the thermosphere increases with altitude (600-800 km).

The thermosphere contains only 0.1% of the total gases.

Thermosphere temperature fluctuates significantly based on solar activity, rising to 1500°C or higher during solar flares.

The exosphere (above 600-800km, up to 10,000 km) is the outermost layer of the atmosphere, where atoms and molecules escape into space.

Local air movement with rapid pressure and speed changes.

Vary from mild discomfort to severe structural risk.

Sudden changes in wind speed relative to the aircraft, causing rapid aerodynamic load changes.

Wind displacement affects the aircraft's true path compared to its intended course.

The path an aircraft follows on the ground (or relative to the wind).

Flight path adjustment to compensate for the effect of wind.

The aircraft's ground path is identical to the planned course.

Passing through a storm doesn't automatically mean that the environment is turbulant. The turbulence can be vertical upward or downward or completely absent.

Wind can affect how long a flight takes and cause the plane to drift from its intended course. The pilot must compensate for this drift to maintain a proper path on the ground.

The calculated or intended path of an aircraft from point A to point B, ignoring wind effects.

An instrument used to determine altitude, typically based on pressure.

An instrument to measure atmospheric pressure.

The force exerted by the atmosphere on a surface.

Atmospheric pressure changes inversely to altitude; the higher you go, the lower the pressure.

International Standard Atmosphere (ISA); a standard set of atmospheric conditions used in aviation.

The tendency of an aircraft to deviate from its intended course due to wind.