Science Fall Semester Exam Part 2

Front

What are quasars?

Back

Quasars are extremely distant celestial bodies that emit large amounts of energy, often observed in the form of radio waves, visible light, and other electromagnetic radiation.

Front

What type of telescope detects microwaves?

Back

A telescope designed to detect microwaves is often referred to as a microwave telescope or radio telescope.

Front

What is a hot spot in geology?

Back

A hot spot is a location on the Earth's surface that has experienced volcanic activity due to a plume of hot material rising from the mantle.

Front

What is the Pacific Plate?

Back

The Pacific Plate is one of the largest tectonic plates, covering a significant portion of the Pacific Ocean floor.

Front

What is the significance of the Sun's position in the Milky Way?

Back

The Sun is located in the Orion Arm of the Milky Way galaxy, approximately 26,000 light-years from the galactic center.

Front

What is amplitude in wave physics?

Back

Amplitude is the maximum distance that points on a wave, such as crests and troughs, move from their rest position.

Front

What is frequency in wave physics?

Back

Frequency is the number of waves that pass a given point in one second, measured in Hertz (Hz).

Front

What is wavelength in wave physics?

Back

Wavelength is the distance between successive crests or troughs of a wave.

Front

What is the relationship between a star's temperature and its brightness?

Back

Generally, the hotter a star is, the more brightly it burns, emitting more light and energy.

Front

What are Main Sequence stars?

Back

Main Sequence stars are stars that are in the stable phase of their life cycle, fusing hydrogen into helium in their cores.