1.2 Origin and History of the Universe

all existing matter and space considered as a whole; the Cosmosm.

• galaxy

• universe

• lightyear

• redshift

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other.

• electromagnetic radiation

• dark matter

• doppler effect

• eletromagnetic spectrum

a unit of astronomical distance equivalent to the distance that light travels in one year, whihc is 9.46 x 6 trillion miles.

• lightyear

• wavelength

• universe

• frequency

energy that is transferred by electromagnetic radiation, such as light, x-rays, gamma rays, and thermal radiation, which may be described in terms of particles or waves.

• doppler effect

• dark matter

• radiant energy

• big bang theory

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-ESS1-1

scientists in the field of astronomy that stury stars, planets, moons, commets and galsxies.

• astronomers

• big bang theory

• lightyear

• redshift

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

the flow of energy at the universal speed of light through freespace or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays.

• dark energy

• electromagnetic radiation

• radiant energy

• dark matter

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

the range of wavelengths or frequencies over which electromagnetic radiaton extends.

• astronomers

• big bang theory

• eletromagnetic spectrum

• gravity

Tags

NGSS.HS-PS4-1

an event that describes how the universe expanded from an initaial state of high density and temperature.

• radiant energybig b

• frequency

• big bang theory

• dark matter

Tags

NGSS.HS-ESS1-2

the distance between successive crests of a wave, especially points in a sound e or electromagnetic wave.

• wavelength

• gravity

• galaxy

• dark matter

Tags

NGSS.HS-PS4-1

nonluminous material that can take several form including weakly interacting particles or high-energy moving particles created soon after the Big Bang.

• dark matter

• doppler effect

• electromagnetic radiation

• gravity

Tags

NGSS.HS-ESS1-2