ES 22.1 Formative

The Greek philosopher Aristotle concluded that Earth was round because

• it always cast a curved shadow on the moon during a lunar eclipse

• he sailed around the world

• he calculated Earth's circumference

• it exhibited retrograde motion

Tags

NGSS.MS-ESS1-1

The geocentric model of the universe stated that

• Earth revolved around the celestial sphere

• the sun was the center of the universe

• Earth was a "wanderer"

• Earth was the center of the universe

Which Greek was the first to discover the apparent backwards, or retrograde motion of some planets?

• Aristotle

• Ptolemy

• Aristarchus

• Eratosthenes

Aristarchus was the first Greek to propose a sun-centered, or ________ universe.

• geocentric

• elliptical

• heliocentric

• retrograde

Using Tycho Brahe's data, which scientist proposed three laws of planetary motion?

• Newton

• Kepler

• Galileo

• Copernicus

The scientist that first proposed a model of the solar system with the sun at the center.

• Copernicus

• Aristotle

• Galileo

• Brahe

What is the shape of a planet's orbit?

• circular

• elliptical

• irregular

• parabolic

Tags

NGSS.HS-ESS1-4

The true shape of planetary orbits was discovered by

• Newton

• Galileo

• Brahe

• Kepler

Who developed the Law of Universal Gravitation?

• Galileo

• Newton

• Kepler

• Brahe

Tags

NGSS.HS-PS2-4

Which of the following was NOT discovered by Galileo?

• sunspots

• mountains on the moon

• Jupiter's four largest moons

• the two moons of Mars