Earth Science Chapters 1 and 2 Review

Which of these is NOT a main branch of earth science?

• Meteorology

• Geology

• Astronomy

• Ecology

What type of earth scientist studies the origin, history and structure of solid earth and the processes that shape it?

• Geologist

• Oceanographer

• Astronomer

• Meteorologists

Approximately when did the big bang occur?

• 100 billion years

• 13.8 billion years

• 50 billion years

• 4.5 billion years

True or False: The farther away a galaxy is from us, the faster it is moving away from us.

• True

• False

If a star is moving away from Earth very fast, the wavelength of its light lengthens causing it to appear more

True or False: Radiation left over from the big bang is called Cosmic Microwave Background (CMB)

• True

• False

The apparent change in the wavelengths of a moving energy source is called

• the big bang

• the Doppler effect

• the spectrum

• background radiation

The structural layers of the earth are

• Shell, mantle, core

• Crust, mantle, core

• Crumb, mantle, nucleus

• Basalt, molten rock, iron

The crust and the upper mantle make up the earth's

• mantle

• lithosphere

• asthenosphere

• core

The earth's iron core is suspected to be the source of the earth's magnetic field

• True

• False