Chapter 7 Planetary Motion Choice

What shape is Earth's orbit?

• circle

• ellipse

• square

• spiral

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NGSS.MS-PS2-4

What is Kepler's 1st law?

• The planets orbit in an ellipse

• The plants move faster when they are closer to the sun and slower when they are further from the sun

• The farther a planet is from the sun the slower the orbit

  (P² = a³)

Tags

NGSS.HS-ESS1-4

What is Kepler's 2nd law?

• The planets orbit in an ellipse

• The plants move faster when they are closer to the sun and slower when they are further from the sun

• The farther a planet is from the sun the slower the orbit

  (P² = a³)

Tags

NGSS.HS-ESS1-4

The force of attraction between all matter.

• inertia
• friction
• net force
• gravity

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

An ellipse is drawn around two points called

• aphelion
• perihelion
• foci
• axis

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NGSS.HS-ESS1-4

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

• The area between A, B and the Sun is the largest.
• The area between H, I and the Sun is the largest
• Both areas are equal in size
• There is not enough information to determine the areas

Tags

NGSS.HS-ESS1-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

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NGSS.MS-PS2-4

Is the Sun a star?

• yes

• no

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

• 2.96x10^-9N

• 3.00x10^-6N

• 2.22x10^-9N

• 2.23x10^-8N

Tags

NGSS.HS-PS2-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Tags

NGSS.MS-PS2-4