Great Basin Stars Quiz

What is the process that fuels a star and creates heavier elements?

• Gravitational collapse
• Thermal radiation
• Chemical reaction
• Nuclear fusion

Tags

NGSS.HS-ESS1-1

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NGSS.HS-PS1-8

The Sun is a yellow star with a mass of approximately 1.989x10^30 kilograms. Given another star that is yellow and has a mass equal to the sun, what two elements does it likely produce?

• Oxygen, Carbon
• Hydrogen, Helium

• Iron, Magnesium
• Nitrogen, Carbon Dioxide

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NGSS.HS-ESS1-3

What stays the same inside a star during nuclear fusion?

• The number of protons and neutrons

• The amount of hydrogen

• The amount of helium

• The amount of electrons emitted to Earth

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NGSS.HS-ESS1-1

What happens to hydrogen in the Sun’s core during nuclear fusion?

• It fuses to form carbon and releases energy.

• It escapes as gas that takes millions of years to move through the radiative zone.

• It fuses to form helium and releases energy.

• It combines with oxygen to burn and release energy.

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NGSS.HS-ESS1-1

Which of the following stars appears in the Main Sequence?

• Betelgeuse

• Sun

• Aldebaran

• Antares

What is the most useful part of the electromagnetic spectrum that scientists can use to identify elements in stars?

• Visible light

• Infrared

• Radio waves
• X-rays

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What is most useful in identifying elements present in a star?

• Mass of star

• Location of star

• H-R Diagram

• Absorption lines in a star's spectrum

What determines how far a star will progress in its life cycle and which elements it can form?

• The star's original mass

• The number of planets orbiting the star

• The amount of helium in the universe

• The temperature of space around the star

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Why can only massive stars fuse elements like silicon and iron?

• Their cores reach higher temperatures and pressures.

• They are made mostly of heavier elements.

• They are located in galaxies that are hotter and older.

• They spin faster than smaller stars.

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NGSS.HS-ESS1-1

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Where do elements heavier than iron (like gold or uranium) come from?

• Fusion in the cores of low-mass stars

• Fusion in the Sun’s convection zone

• Supernova explosions of massive stars

• Planetary collisions in galaxies

Tags

NGSS.HS-ESS1-3