Geo Reading Quiz 1: Origin of the Universe

According to the Big Bang theory, what percentage of the universe's matter is made up of hydrogen?

• 50%

• 60%

• 74%

• 90%

Which type of radiation has the shortest wavelength in the electromagnetic spectrum?

• Radio waves

• Microwaves

• X-rays

• Gamma rays

What is spectroscopy?

• The study of sound waves

• The investigation and measurement of spectra produced when materials interact with or emit electromagnetic radiation

• The study of gravitational waves

• The measurement of temperature changes

Which of the following scientists observed the missing wavelengths in the Sun's spectrum in the early 1800s?

• Albert Einstein

• Isaac Newton

• Joseph von Fraunhofer

• Edwin Hubble

What does the Doppler effect explain?

• The change in pitch of sound as an object moves

• The change in color of an object as it heats up

• The change in temperature of an object as it cools down

• The change in mass of an object as it accelerates

How long ago did the Big Bang occur?

• 13.8 billion years ago

• 4.6 billion years ago

• 13.8 million years ago

• 10 years ago

*Which statement BEST summarizes The Big Bang Theory?

• whole universe began as a black hole and rapidly expanded, but is now collapsing

• whole universe began as a cool dense point and rapidly collasped, but is now expanding

• whole universe began as a single mass, rapidly expanded, and continues to expand

• the whole universe began as a hot dense point and rapidly expanded, but is now collapsing

What is the primary evidence supporting the Big Bang theory?

• Existence of black holes

• Cosmic microwave background radiation

• Formation of stars

• Presence of dark matter

Which element was formed in the greatest abundance during the Big Bang nucleosynthesis?

• Helium

• Oxygen

• Carbon

• Iron

What does redshift in the light from distant galaxies indicate?

• Galaxies are moving closer

• Galaxies are moving away

• Galaxies are stationary

• Galaxies are rotating