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- 1. Multiple ChoicePlanets orbit the Sun in a shape called a(n)circleellipsefocusperihelion
- 2. Multiple ChoiceAn ellipse is drawn around two points calledaphelionperihelionfociaxis
- 3. Multiple ChoiceWhen a planet orbits the Sun, one of the foci of the elliptical orbit isthe axisthe perihelionthe centerthe Sun
- 4. Multiple Choice
Where is the planet moving fasterPosition A to BPosition B to CPosition H to IPosition I to J - 5. Multiple ChoiceWhat 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 largestBoth areas are equal in sizeThere is not enough information to determine the areas
- 6. Multiple ChoiceKepler's 2nd Law deals withthe shape of the planets' orbitsthe speed/area the planet travelsthe length of time it takes the planet to orbit the sun
- 7. Multiple ChoiceA planet moves __________ when it is farthest from the sun.fasterslower
- 8. Multiple ChoiceThe farther away a planet is from the sun, the _______ it takes it to orbit the sun once.longershorter
- 9. Multiple ChoiceWhen do planets move the fastest?Close to the sunFar away from the sun
- 10. Multiple Choice
Earth's spinning on its axis is called its _____________.
orbit
revolution
rotation
cycle
- 11. Multiple Choice
When a body in space travels around a larger body in space it is said to _____________ around the larger body.
rotate
revolve
axis
- 12. Multiple Choice
According to the Heliocentric Model of the Universe, _____________ is at the center of our Solar System with the planets revolving around it.
Earth
The Sun
Jupiter
Helios
- 13. Multiple Choice
The diagram below shows a moon revolving around a planet in an elliptical orbit. At which position is the moon traveling fastest?
location 1
location 2
location 3
location 4
- 14. Multiple Choice
The diagram below shows a moon revolving around a planet in an elliptical orbit. At which position is the moon traveling slowest?
location 1
location 2
location 3
location 4
- 15. Multiple Choice
A year on Jupiter is 4,344 days long. This tells you how long it takes
Jupiter to orbit the sun.
Jupiter to rotate one time on its axis.
the sun to orbit Jupiter.
Earth to orbit Jupiter.
- 16. Multiple Choice
What causes Earth’s year to be shorter than Jupiter’s year?
the gravitational pull of Jupiter’s moons
the shape of Earth’s orbit around the Sun
the distance between Earth and the Sun
the mass and density of Jupiter
- 17. Multiple Choice
Which planet will take the least amount of time to revolve around the Sun?
Mercury
Venus
Earth
Mars
- 18. Multiple Choice
Which planet will take the most amount of time to revolve around the Sun?
Mercury
Venus
Earth
Mars
- 19. Multiple Choice
Which statement best describes Kepler’s 2nd Law of Planetary Motion?
Planets revolve around the sun over equal areas in equal time intervals.
Planetary orbits are in the shape of an ellipse.
A planet’s orbital period is proportionate to its distance from the sun.
- 20. Multiple Choice
What unit to we usually use to to measure a planet's orbital period?
light year
year
day
astronomical unit
- 21. Multiple Choice
Kepler's 3rd law tell us that __ would be dependent on __.
orbital period ; distance
distance ; orbital period
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