Where Do Chemical Elements Come From? page1

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

• chemicals

• Sound waves

• Radio waves

• Gamma rays

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NGSS.HS-PS4-3

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

• Helium and Carbon

• Gold and Silver

• Uranium and Plutonium

• Lead and Mercury

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NGSS.HS-ESS1-3

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

• Nucleosynthesis

• Photosynthesis

• Electrolysis

• Oxidation

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

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

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NGSS.HS-PS1-2

A young star is primarily composed of which element?

• Hydrogen

• Helium

• Carbon

• Oxygen

The fusion of beryllium with helium produces a ___ nucleus.

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NGSS.HS-PS1-8

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

• Taurus

• Orion

• Scorpius

• Leo