The Solar System-U2

12. Initially, the accretion of matter into larger bodies occurred through _________between particles in the solar nebula.

• gravity

• heat

• collisions

• conduction

Tags

NGSS.MS-PS2-1

2. By the time planetesimals had formed, the accretion process was accelerated by the effect of

• gravity

• heat

• conduction

• collisions

2. Unlike the terrestrial planets, the planetesimals that formed the Jovian planets were made up of_______ material.

• Ice

• heated

• rocky

• gaseaous

The reason the planetesimals of the asteroid belt did not form a larger object was probably due to the gravitational influence of ____.

• Jupiter

• Saturn

• Uranus

• Mars

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Astronomers can detect extrasolar planets by observing the______ of their parent stars.

• mass

• color

• wobble

• movement

Tags

NGSS.HS-ESS1-4

The major bodies orbiting the Sun are known as _____.

• planets

• moons

• asteroids

• comets

Tags

NGSS.MS-ESS1-2

10. The ______ are bodies that orbit the Sun between the orbits of Mars and Jupiter.

• planets

• moons

• asteroids

• comets

 The two planets (major or minor) with the highest orbital eccentricities are

• Jupiter and Saturn

• Uranus & Neptune

• Mercury & Pluto

• Earth & Mars

The inner planets Mercury, Venus, Earth, and Mars are known as the _____ planets.

• Jovian

• terrestrial

• gaseous

• outer

The outer planets Jupiter, Saturn, Uranus, and Neptune are known as the planets.

• Jovian

• terrestrial

• gaseous

• outer