SC.8.E.5.5 Solar Flares; Star Size : Test

Front

What type of star is our sun?

Back

Our sun is a medium-sized star.

Front

What process occurs at the center of all active stars?

Back

Fusion occurs at the center of all active stars.

Front

What is the relationship between the luminosity of a star and its distance from Earth?

Back

The luminosity of a star has an inverse relationship to the distance of the star.

Front

Which star has a greater temperature: a blue star or a red star?

Back

A blue star has a greater temperature than a red star.

Front

What fuels a star?

Back

The process that fuels a star is hydrogen molecules being forced together by gravity.

Front

What is fusion in the context of stars?

Back

Fusion is the process where hydrogen atoms combine under extreme pressure and temperature to form helium, releasing energy.

Front

What is the significance of a star's color?

Back

A star's color indicates its temperature; blue stars are hotter than red stars.

Front

What is luminosity?

Back

Luminosity is the total amount of energy emitted by a star per second.

Front

How does distance affect the brightness of a star as seen from Earth?

Back

As the distance from Earth increases, the brightness of a star decreases.

Front

What is the main element involved in the fusion process in stars?

Back

The main element involved in the fusion process in stars is hydrogen.