Week 15 Solar System

Look at the picture of the solar system.

Which object is a gaseous giant?

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-3

Which event took place during the Copernican revolution, when most people started to believe in a heliocentric model of the solar system?

• Aristotle developed his model of the solar system.

• Copernicus rediscovered Aristarchus’s heliocentric model.

• Kepler's laws of planetary motion.

• Newton’s theories of gravity were dismissed and considered invalid.

Which two gaseous giants did Renaissance scientists such as Galileo know about?

• Jupiter and Saturn

• Mars and Neptune

• Neptune and Uranus

• Uranus and Saturn

How did Kepler’s discoveries contribute to astronomy?

• They supported the heliocentric model.

• They established the laws of planetary motion.

• They explained how the Sun rises and sets.

• They made astronomy accessible to people who spoke Italian.

Tags

NGSS.HS-ESS1-4

In addition to proposing that planetary orbits are elliptical, what other modification did Kepler make to Copernicus’s model?

• Planets closer to the Sun move faster.

• Planets spin in an epicycle while orbiting Earth.

• Venus has phases due to its orbiting of the Sun.

• Earth’s rotation causes the rising and setting of the Sun.

How did Kepler describe the planets’ orbits?

• The planets’ orbits are circular.

• The planets’ orbits are elliptical.

• The planets and the Sun orbit Earth.

• The planets have miniature orbits called epicycles.

According to Kepler, which planet travels the fastest?

• Earth

• Jupiter

• Mercury

• Neptune

Tags

NGSS.HS-ESS1-4

Which describes one way that Aristarchus's explanation of the movement of objects in the sky was different from other scientists' earlier explanations?

• He discovered Venus’s phases.

• He argued that Earth rotates on its axis.

• He explained the concept of retrograde motion.

• He described the epicycles of the planets in the sky.

What trait do all solar system models share?

• All planets have epicycles.

• The moon orbits Earth.

• The stars rotate around the Sun.

• The planets have a circular orbit around the Sun.

Tags

NGSS.HS-ESS1-4

How did the Ptolemaic model differ from other proposed solar system models?

• It said that the planets have epicycles.

• It said that the planets rotate on their axes.

• It said that the planets revolve around the Sun.

• It said that the planets and the Sun revolve around Earth.