______________ is the energy that can travel through space in the form of waves. 

• telescopes
• electromagnetic spectrum
• observatory

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NGSS.HS-PS4-1

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Which of the following type of electromagnetic radiation has the most energy

• infrared
• ultraviolet
• microwaves
• radiowaves

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NGSS.HS-PS4-1

NGSS.HS-PS4-4

Which of the following type of electromagnetic  radiation has the longest wavelength

• infrared
• ultraviolet
• microwaves
• radiowaves

For an electron to change from ground state to an excited stated it must...

• Absorb energy
• Release energy

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NGSS.HS-PS1-4

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Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

• Radio waves
• Ultraviolet Rays
• Gamma Rays
• X-rays

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NGSS.HS-PS4-1

Emission of light from an atom occurs when an electron

• drops from a higher to a lower energy level.
•    jumps from a lower to a higher energy level.   
•    moves within its atomic orbital.
• falls into the nucleus.

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NGSS.HS-PS4-3

The ground state is the highest energy state of an atom.

• True
• False

When talking about energy levels in an atom, what is an "excited state"?

• The highest energy state of an atom.
• Any level higher than the ground state.
• The lowest energy state of an atom.
• When an atom loses an electron

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NGSS.HS-PS1-2

When sunlight is split by a prism or diffraction grating it appears to emit a ___ spectra.

• absorption

• dark-line

• continuous

• bright-line

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

Upon closer examination, sunlight (and all stars) actually emit ___ spectra.

• bright-line (or emission)

• absorption (or dark-line)

• continuous

• multiple

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4