Earth/Quiz

The lecture on the Earth is part of a series on the [[Special:Search |radiation astronomy and geophysics of the Earth.

You are free to take this quiz based on the Earth at any time.

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Quiz
{Which of the following is an atmospheric science? + meteorology + climatology + humidity + temperature - oceanography - mineralogy
 * type="[]"}

{Yes or No, The natural electric field of the Earth starts at its surface and extends inward to the core. - Yes + No
 * type=""}

{Which of the following is associated with an atmosphere? + clouds + jet streams + rain + wind - faults + lightning
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{True or False, The natural electric field of the Earth includes the electrosphere. + TRUE - FALSE
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{Which of the following is associated with hurricanes? + forecasting - paleontology + weather + cyclones + anticyclones - mineralogy + typhoons
 * type="[]"}

{True or False, The natural electric field of the Earth is caused in part by the solar wind. + TRUE - FALSE
 * type=""}

{Which of the following is associated with tephra? + volcanology + high altitude winds + geography - metallurgy + dust + loss of sunlight + chemistry
 * type="[]"}

{True or False, The natural electric field of the Earth has a negative charge at the surface of the Earth and a positive charge at the ionosphere. + TRUE - FALSE
 * type=""}

{Which of the following is associated with aeronomy? - botany + chemical composition - technology + physical properties - agriculture + ionization - biochemistry - oceanography + radiation from space
 * type="[]"}

{True or False, The natural electric field of the Earth has a gradient of the about 200 volts/meter just above the Earth's surface. + TRUE - FALSE
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{Complete the text: Match up the letter for the object name the radio or radar image below: Sun - A Mercury - B Venus - C Earth - D Moon (South Pole) - E Moon (North Pole) - F Moon (850 micron thermal emission) - G Mars (North Pole cross section) - H Toustatis - I Jupiter - J Saturn - K Titan - L Interstellar medium - M Milky Way - N 3C 98 - O 3C 31 - P 3C 380 - Q Moon (self radiation) - R NGC 4151 - S GRS 1915 - T M87 - U 3C 279 - V IRC+10216 - W Boomerang nebula - X R Sculptoris - Y { L (i) }. { Q (i) }. { F (i) }. { Y (i) }. { T (i) }. { N (i) }. { B (i) }. { X (i) }. { W (i) }. { H (i) }. { R (i) }. { U (i) }. { A (i) }. { V (i) }. { K (i) }. { O (i) }. { S (i) }. { J (i) }. { G (i) }. { P (i) }. { M (i) } { C (i) } { I (i) }. { E (i) }. { D (i) }.
 * type="{}"}

{True or False, The natural electric field of the Earth has a gradient of the about 200 volts/meter just below the Earth's surface. - TRUE + FALSE
 * type=""}

{Complete the text: Match up the letter of the spherical object with each of the possibilities below: Sun - A Mercury - B Venus - C Earth - D Moon - E Mars - F Ceres - G Jupiter - H Callisto - I Europa - J Ganymede - K Io - L Enceladus - M Titan - N Uranus - O Titania - P Neptune - Q Triton - R Pluto - S { M (i) }. { R (i) }. { L (i) }. { H (i) }. { G (i) }. { J (i) }. { P (i) }. { S (i) }. { D (i) }. { O (i) }. { E (i) }. { I (i) }. { K (i) }. { Q (i) }. { N (i) }. { A (i) }. { F (i) }. { C (i) }. { B (i) }.
 * type="{}"}

{True or False, The natural electric field of the Earth just below the ionosphere reduces to close to a zero gradient. + TRUE - FALSE
 * type=""}

{Complete the text: Match up the violet or violet containing image with the object letter: Sun - A Venus - B Earth - C Moon - D Mars - E Jupiter - F Ganymede - G Io - H Saturn - I Dione - J Titan - K Uranus - L Ariel - M Miranda - N Triton - O Eta Carinae - P NGC 5584 - Q { N (i) }. { K (i) }. { O (i) }. { J (i) }. { I (i) }. { E (i) }. { Q (i) }. { F (i) }. { P (i) }. { B (i) }. { H (i) }. { L (i) }. { D (i) }. { G (i) } { C (i) }. { A (i) }. { M (i) }.
 * type="{}"}

{True or False, An approximately 5,000 kg vehicle would need at least 3,300 Coulombs of charge (probably negative) stored onboard to be repelled by the Earth's surface. + TRUE - FALSE
 * type=""}

{Which geological phenomena are associated with Earth? + lava-spewing volcanoes - sulfur volcanoes + plate tectonics + water oceans - liquid methane oceans + silicate minerals
 * type="[]"}

{A terrestrial planet is composed primarily of? { silicate rocks|metals|silicates (i) }
 * type="{}"}

{True or False, The atmosphere of the Earth rises no more than 20 km above the surface. - TRUE + FALSE
 * type=""}

{Which of the following are observatories on Earth? - Chandra X-ray Observatory + Big Bear - TRACE + Kodaikanal - the Hubble + Lomnický štít + McMath-Pierce - SOFIA
 * type="[]"}

{True or False, A sunrise may be detected by an airborne observatory. + TRUE - FALSE
 * type=""}

{Which of the following are observatories on Earth? - Chandra X-ray Observatory + Giza Pyramids - TRACE + Tuorla Observatory - the Hubble + Aldershot Observatory + Stonehenge - SOFIA
 * type="[]"}

{True or False, The Earth is the fourth planet out from the Sun. - TRUE + FALSE
 * type=""}

{Which of the following are radiation astronomy phenomena associated with the apparent liquid-object Earth? + rain + snow + hail + neutron emission - polar coronal holes + meteor emission - rotation
 * type="[]"}

Hypotheses

 * 1) Charge can be acquire or dissipated into the Earth's atmosphere at sufficient speeds to allow landing and take-off without collisional effects of a repellor vehicle.