Review - Life of a Star and HR Diagram

Review - Life of a Star and HR Diagram

Assessment

Flashcard

Science

8th - 9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What two qualities of stars are displayed in a Hertzsprung-Russell diagram?

Back

Surface Temperature & Absolute Magnitude.

2.

FLASHCARD QUESTION

Front

What causes the gas and dust in a nebula to pull together to form a protostar?

Back

Gravity.

3.

FLASHCARD QUESTION

Front

In which category of star is the Sun found on an H-R Diagram?

Back

Main Sequence.

4.

FLASHCARD QUESTION

Front

What element is produced when hydrogen fuses during the birth of a star?

Back

Helium.

5.

FLASHCARD QUESTION

Front

What type of star has a temperature of 2,000 K and a luminosity less than the Sun?

Back

Red Dwarf.

6.

FLASHCARD QUESTION

Front

What is the main purpose of the Hertzsprung-Russell diagram?

Back

To classify stars based on their luminosity and temperature.

7.

FLASHCARD QUESTION

Front

What is a protostar?

Back

A developing star that forms from the gravitational collapse of a nebula.

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