Electromagnetic Spectrum Astronomy

What best describes this sentence “Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption."

• Thermal Imaging

• Seeing through dust

• Cool Astronomy

• Infrared Radiation

Tags

NGSS.HS-PS4-5

Put the following regions of the electromagnetic spectrum in order from LOWEST energy to HIGHEST energy.

• Ultraviolet

• Infrared

• Visible

• Gamma

• Radio

Tags

Electromagnetic Spectrum

What is a photon?

• When radiation burst through electric waves

• The emission of electrons from a metal caused by light striking the metal

• The rate at which a waves energy flows through a given unit of area.

• packets of electromagnetic energy

Tags

Electromagnetic Spectrum

Emission spectra (bright line spectra) are created when electrons move from ___.

• higher to lower energy levels.

• lower to higher energy levels.

• s orbitals to p orbitals.

• one atom to a different atom.

Tags

Electromagnetic Spectrum

What is the light that you can see called?

• observatory light

• ultraviolet light

• visible light

• infrared light

Tags

Electromagnetic Spectrum

The unknown emissions spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

Tags

Electromagnetic Spectrum

The unknown emissions spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

Tags

Electromagnetic Spectrum

Each element produces its own pattern of emission spectra lines because each element has its own distinct

• Speed of light

• Electron configuration

• Number of neutrons

• None of these

Tags

Electromagnetic Spectrum

The analysis of the way matter emits and absorbs radiation is called ___.

• astronomy

• chemistry

• spectroscopy

• atomic theory

Tags

Electromagnetic Spectrum

What gases are in the unknown mixture?

• Gas B & Gas D

• Gas C & Gas B

• Gas A & Gas D

• Gas D & Gas C

Tags

Electromagnetic Spectrum