25-26 FCHS Earth Systems: U1, Topics 1-2 Quiz

Which term describes the cloud of gas and dust from which the solar system formed?

• Nebula

• Comet

• Asteroid

• Meteor

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What is the primary element found in the Sun?

• Oxygen

• Hydrogen

• Carbon

• Iron

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What is the name of the theory that explains the beginning of the universe?

• Nebular Hypothesis

• Big Bang Theory

• Plate Tectonics

• Theory of Relativity

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Which of the following is NOT a component of the solar system?

• The Sun

• The Moon

• Black Holes in other galaxies

• Asteroids

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Which of the following best describes a comet?

• A rocky object orbiting between Mars and Jupiter

• A small icy body that develops a tail when near the Sun

• A planet with a thick atmosphere

• A star in the early stage of formation

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Which of the following best explains why the inner planets are rocky and the outer planets are gaseous?

• The inner solar system was too hot for gases to condense

• The outer solar system had less material

• The Sun's gravity pulled all gases inward

• The outer planets formed first

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How does Kepler’s Second Law describe the speed of a planet in its orbit?

• The planet moves at a constant speed

• The planet moves faster when closer to the Sun and slower when farther away

• The planet moves slower when closer to the Sun

• The planet’s speed does not change

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Which evidence supports the nebular hypothesis for the formation of the solar system?

• The presence of water on Earth

• The similar direction of planetary orbits

• The existence of black holes

• The tilt of Uranus

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Why do Milankovitch cycles affect Earth’s climate over long periods?

• They change the composition of the atmosphere

• They alter Earth’s orbit and tilt, affecting solar energy received

• They cause volcanic eruptions

• They increase the Sun’s temperature

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Which of the following best explains why most objects in the solar system orbit in the same direction?

• The Sun’s magnetic field forces them

• The original nebula rotated in one direction

• The planets were captured from other star systems

• The orbits are random

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