Eccentricity

A perfect circle has an eccentricity of ______.

• 0
• .99
• 1
• 2

The flattest ellipse before it becomes a line will have an eccentricity of _______.

• 0
• .99
• 1
• 2

Which diagram shows a planet with the least eccentric orbit?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-ESS1-2

Calculate the eccentricity for the following orbit. 

• 1.6
• 0.8
• 0.6
• 1.2

Tags

NGSS.MS-ESS1-2

If an orbit has an eccentricity value of "0", what shape is it? 

• perfectly circular
• perfectly flat
• very oval/elliptical
• slightly oval/elliptical

Which orbit is most eccentric? 

• 1
• 3
• 4
• 5

What is eccentricity? 

• a measurement of how elliptical an orbit is. 
• a measurement of the distance between the planet and the sun
• a measurement of how long the planet takes to rotate around the sun
• none of these

During which month is the earth moving the slowest? 

• July 
• March
• January
• September

Tags

NGSS.MS-ESS1-1

During what month is the earth moving the fastest around the sun? 

• July
• March
• January
• September

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

An ellipse is drawn around two points called

• aphelion
• perihelion
• foci
• axis

Tags

NGSS.HS-ESS1-4