The Big Bang Theory

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

• Big Bang Theory

• Singularity Theory

• Galaxy Theory

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NGSS.HS-ESS1-2

The specific wavelengths of electromagnetic radiation emitted by the electrons of atoms or molecules as those electrons return to a lower and more stable energy state

• particle ionization

• electron spectrum

• emission spectra

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A large grouping of stars, planets, gas, and dust in space held together by gravity.

• Universe

• Galaxy

• Space

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NGSS.MS-ESS1-2

The lightest noble gas, containing two protons

• Hydrogen

• Helium

• Molecules

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An element containing one proton that is a colorless, odorless, highly flammable gas when found in nature

• molecule

• Helium

• Hydrogen

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A unit of length equal to the distance that light travels through space in one year.

• Leap Year

• Light-Year

• Frequency

A reaction in which two light nuclei combine to produce a nucleus of heavier mass, resulting in the release of a large amount of energy.

• Nuclear Bomb

• Nuclear Fusion

• Nuclear Fission

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A pervasive radiation, also known as cosmic microwave background, seen in every direction that is evidence of the big bang theory

• Primordial Radiation

• Red Shift

• Creation of Atoms

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NGSS.HS-ESS1-2

The change in wavelength that allows us to determine if an object if moving toward us or away from us

• Whiteshift and Blueshift

• Redshift and Greenshift

• Redshift and Blueshift

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NGSS.HS-PS4-1

The distribution of energy in wavelengths within a system

• Range

• Spectrum

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