2024 1st Semester Review Flashcard

Front

What is a cold front?

Back

A cold front is a boundary between a mass of cold air and a mass of warm air, where the cold air pushes the warm air upward, often leading to precipitation.

Front

What is the frequency range of infrared waves?

Back

The frequency of infrared waves is typically around 10^12 Hz.

Front

What are the three main types of galaxies?

Back

The three main types of galaxies are Spiral, Irregular, and Elliptical.

Front

How many protons does the element with atomic number 20 have?

Back

The element with atomic number 20 has 20 protons, which is Calcium (Ca).

Front

Which city is typically close to a warm front?

Back

Denver is often close to a warm front.

Front

What is a warm front?

Back

A warm front is a boundary where a warm air mass replaces a cold air mass, usually resulting in gradual temperature increases and light to moderate precipitation.

Front

What is a stationary front?

Back

A stationary front is a boundary between two air masses that are not moving, leading to prolonged periods of cloudy and wet weather.

Front

What is an occluded front?

Back

An occluded front occurs when a cold front overtakes a warm front, causing the warm air to be lifted off the ground, often resulting in complex weather patterns.

Front

What is the significance of protons in an atom?

Back

Protons determine the atomic number of an element and its identity; they are positively charged particles found in the nucleus.

Front

What is the Milky Way?

Back

The Milky Way is a spiral galaxy that contains our solar system and billions of other stars.