Section 23A (Earth Science)

The Solar System includes :

• sun

• planets

• asteroid belts

• comets

• 

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

1. ___ is considered the edge of the solar system.

• the Kuiper belt

• Pluto

  (even though it is not technically a planet)

• Neptune

  (the final planet)

• Halley's Comet

  (even though it does leave out solar system at times)

The ___ theory is the (early) theory (widely accepted) that the Earth was the center of the solar system.

​ (a)   was one of the first to suggest that the ​ (b)   was the center of the solar system (​ (c)   theory).

• Copernicus
• Sun
• heliocentric
• Ptolemy
• geocentric

 Copernicus was correct in every aspect of his heliocentric theory.

• true

• false

• 

Answer explanation

He thought the planets orbited in perfect circles --this is false.

1. Kepler was the first to argue that the planets orbit in an __ path.

Organize Kepler's Planetary Laws

Groups:

(a) 1st Law

,

(b) 2nd Law

,

(c) 3rd Law

• Planets move in ellipses with the sun at one focal point

• planets that are farther from the sun always take longer to orbit the sun

• planets move faster when closer

1. __ explained that the reason planets orbit the sun is because of gravity.

• Ptolemy

• 1. Newton

• Galileo

• Copernicus

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Categorize the following:

Groups:

(a) geocentric theory

,

(b) heliocentric theory

,

(c) Ptolemy

,

(d) Kepler

• theory of the sun being the center of the solar system

• supported the geocentric theory

• supported the heliocentric theory

• theory of the earth being the center of the solar system

Categorize Kepler's Planetary Laws

• 1st law

• 
• 2nd law

• 
• Sponge Bob

• 
• 3rd law

• 

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3