How Elements Are Made

Made up of only 1 type of atom

• Compound

• Molecule

• Element

• Mixture

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NGSS.HS-PS1-1

Substances that have only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus

What compound is the picture suggesting?

• Sugar

• Baking soda

• Water

• Table Salt

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Science 6.5A

What is the process called in which stars produce new elements through nuclear reactions?

• Nucleosynthesis

• Photosynthesis

• Electrolysis

• Oxidation

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NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Which element is primarily formed in the core of stars during the main sequence phase?

• Helium

• Carbon

• Iron

• Oxygen

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NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

What is the heaviest element that can be formed through stellar nucleosynthesis before a supernova occurs?

• Iron

• Gold

• Uranium

• Lead

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NGSS.HS-ESS1-3

In the context of the universe, where are most of the elements heavier than iron formed?

• Supernova explosions

• The Sun

• Earth's core

• Comets

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NGSS.HS-ESS1-3

Which process is responsible for the formation of elements in the early universe, shortly after the Big Bang?

• Big Bang nucleosynthesis

• Stellar fusion

• Radioactive decay

• Chemical bonding

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NGSS.HS-ESS1-2

What is the primary method by which elements heavier than hydrogen and helium are distributed throughout the universe?

• Supernova explosions

• Solar winds

• Volcanic eruptions

• Ocean currents

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NGSS.HS-ESS1-3

Which element is not typically formed in the core of a star?

• Gold

• Helium

• Carbon

• Oxygen

Tags

NGSS.HS-ESS1-3