Planets Move (Exit Ticket)

A perfect circle has an eccentricity of ______.

• 0
• .99
• 1
• 2

The period of the earth's orbit around the sun is ____.

• 1 day
• 1 year
• 24 hours
• 364 hours

Tags

NGSS.MS-ESS1-1

Which planet has an orbital eccentricity most like the orbital eccentricity of the Moon?

• Earth
• Saturn
• Mars
• Mercury

The length of an Earth day is determined by the time required for approximately one 

• Earth rotation
• Earth revolution
• Sun rotation
• Sun revolution

Which planet takes more time to complete one rotation on its axis than to complete one revolution around the Sun?

• Mercury
• Venus
• Mars
• Jupiter

Which diagram shows a planet with the least eccentric orbit?

• 1
• 2
• 3
• 4

What is the maximum eccentricity an ellipse can be?

• 0
• .5
• 1
• 42

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

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

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

An ellipse is drawn around two points called

• aphelion
• perihelion
• foci
• axis