STAAR measuring up Cat 3 Alg

Front

What is a warm front?

Back

A warm front is a boundary between a warm air mass and a cold air mass, where the warm air rises over the cold air, often leading to cloud formation and precipitation.

Front

What does an HR-Diagram represent?

Back

An HR-Diagram (Hertzsprung-Russell Diagram) is a scatter plot of stars showing the relationship between their absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

Front

What is the significance of the Earth's tilt?

Back

The tilt of the Earth (approximately 23.5 degrees) is responsible for the changing seasons as it affects the angle and intensity of sunlight received at different latitudes throughout the year.

Front

What is a stationary front?

Back

A stationary front is a boundary between two air masses that are not moving, which can lead to prolonged periods of cloudy and rainy weather.

Front

What is the difference between day and night?

Back

Day occurs when a location on Earth is facing the sun, while night occurs when it is turned away from the sun, resulting in the absence of direct sunlight.

Front

What is a cold front?

Back

A cold front is a boundary where a cold air mass is replacing a warm air mass, often leading to thunderstorms and a drop in temperature.

Front

What is luminosity in stars?

Back

Luminosity is the total amount of energy emitted by a star per unit of time, often measured in watts, and is an important factor in determining a star's brightness.

Front

What is the role of the sun in Earth's climate?

Back

The sun provides the energy that drives Earth's climate system, influencing weather patterns, temperatures, and seasonal changes.

Front

What is the equator?

Back

The equator is an imaginary line that divides the Earth into the Northern and Southern Hemispheres, located equidistant from the poles.

Front

What is the significance of the Northern Hemisphere's summer solstice?

Back

The Northern Hemisphere's summer solstice occurs around June 21, when the North Pole is tilted closest to the sun, resulting in the longest day of the year.