EPS SCI 9 PRACTICE SET 2026 EARTH
PROCESSES QUESTIONS HIGH YIELD A+
◉ In general, the outer solar system moons are icy because _________
Answer: the early solar system protoplanetary disk was colder
further away from the Sun
◉ Saturn moved ____________ during the "Grand Tack".
Answer: inwards then outwards
◉ The "Grand Tack", if it occurred, happened in the first _________
years of solar system history
Answer: 1 million
◉ Giant planets ______________ as a consequence of interacting
gravitationally with planetesimals.
Answer: migrate
◉ A "hot Jupiter" refers to _________________.
Answer: extrasolar giant planets orbiting very near to their star
, ◉ The reason the first planets discovered were giant and near their
star is that ________________.
Answer: the radial velocity method is biased towards finding big
planets orbiting near to their star
◉ One sidereal day on Mercury takes __________Earth days
Answer: 59
◉ Equations of state relate _________________for planetary materials
Answer: Mass, radius, and density
◉ Polytropes relate _________ for different planetary materials
Answer: Mass to density and radius
◉ The k values for angular momentum tell us about__________
Answer: The distribution of mass in a spherical body
◉ Chondrites are ________________.
Answer: Undifferentiated
◉ The asteroid Ceres is probably made of ________________
Answer: carbonaceous chondrites
PROCESSES QUESTIONS HIGH YIELD A+
◉ In general, the outer solar system moons are icy because _________
Answer: the early solar system protoplanetary disk was colder
further away from the Sun
◉ Saturn moved ____________ during the "Grand Tack".
Answer: inwards then outwards
◉ The "Grand Tack", if it occurred, happened in the first _________
years of solar system history
Answer: 1 million
◉ Giant planets ______________ as a consequence of interacting
gravitationally with planetesimals.
Answer: migrate
◉ A "hot Jupiter" refers to _________________.
Answer: extrasolar giant planets orbiting very near to their star
, ◉ The reason the first planets discovered were giant and near their
star is that ________________.
Answer: the radial velocity method is biased towards finding big
planets orbiting near to their star
◉ One sidereal day on Mercury takes __________Earth days
Answer: 59
◉ Equations of state relate _________________for planetary materials
Answer: Mass, radius, and density
◉ Polytropes relate _________ for different planetary materials
Answer: Mass to density and radius
◉ The k values for angular momentum tell us about__________
Answer: The distribution of mass in a spherical body
◉ Chondrites are ________________.
Answer: Undifferentiated
◉ The asteroid Ceres is probably made of ________________
Answer: carbonaceous chondrites
