Where Do Chemical Elements Come From?

In addition to emitting more light than a billion suns, what else did the star emit during the explosion?

• chemicals

• Sound waves

• Gamma rays

• Radio waves

Tags

NGSS.HS-PS4-3

Of the first 26 elements up to iron, which were inside the star before the explosion?

• Lead and Mercury

• Uranium and Plutonium

• Gold and Silver

• Helium and Carbon

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the process called that forms nuclei of most elements lighter than iron?

• Electrolysis

• Oxidation

• Photosynthesis

• Nucleosynthesis

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

During the explosion, the star released chemicals in space. These chemicals combined to form ions and ___.

Tags

NGSS.HS-ESS1-3

A young star is primarily composed of which element?

• Hydrogen

• Carbon

• Helium

• Oxygen

Tags

NGSS.HS-ESS1-3

The fusion of beryllium with helium produces a ___ nucleus.

Tags

NGSS.HS-PS1-8

The fusion of oxygen with helium produces a ___ nucleus.

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

In 1054, Chinese astronomers recorded a 'guest star' in which constellation?

• Scorpius

• Taurus

• Leo

• Orion

What is the primary nuclear reaction in stars less massive than the sun?

• Iron to heavier elements conversion

• Helium to carbon conversion

• Hydrogen to helium conversion

• Carbon to oxygen conversion

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

In stars more massive than eight solar masses, up to which element can the chain reaction produce?

• Iron

• Carbon

• Nickel

• Oxygen

Tags

NGSS.HS-ESS1-3