Unit 1-2 Review

Which is the correct term for the definition: Space and all of the energy and matter in it?

• Universe
• Big Bang theory
• Spectrum
• Wavelength

Which is the correct term for the definition: An apparent shift toward longer (red) wavelengths of light in an object's spectrum?

• Wavelength
• Redshift
• Cosmic Microwave Background (CMB)
• Electromagnetic Radiation

Which is the correct term for the definition: The universe began with a tremendous expansion 13-15 billion years?

• Redshift
• Cosmic Microwave Background (CMB)
• Big Bang theory
• Wavelength

Which is the correct term for the definition: Electromagnetic radiation left over from early development of the universe that fills the universe; detected with a radio telescope and is key proof of the Big Bang theory of the origin of the universe?

• Universe
• Big Bang theory
• Wavelength
• Cosmic Microwave Background (CMB)

Which is the correct term for the definition: Distance between two adjacent crests or troughs of a wave?

• Wavelength
• Big Bang theory
• Universe
• Spectrum

Which is the correct term for the definition: All of the different wavelengths and frequencies?

• Spectrum
• Cosmic Microwave Background (CMB)
• Electromagnetic Spectrum
• Universe

Which is the correct term for the definition: A continuous range of a single feature?

• Electromagnetic Spectrum
• Universe
• Spectrum
• Redshift

Which is the correct term for the definition: A model of the solar system in which Earth and other planets revolve around the sun.

• Geocentric
• Galaxy
• Parallax
• Heliocentric

Which is the correct term for the definition: A model of the universe in which Earth is at the center of the revolving planets and stars.

• Nebula
• Geocentric
• Heliocentric
• Supernova

Which is the correct term for the definition: A collection of stars, dust, and gas bound together by gravity.

• Redshift
• Parallax
• Galaxy
• Spectrum