Kepler's Law Quiz Practice

The planets in our solar system all have ______________ orbits.

• spherical

• elliptical

• circular

• highly eccentric

An orbit with the eccentricity of 0.9 would have more of a(n) __________ shaped orbit.

• spherical

• elongated

• circular

• spiral

The value of eccentricity can range from ________ to ________.

• 0.1 to 0.9

• -1 to 0

• 0 to 100

• 0 to 1

Our solar system can best be described by the ______________ model.

• heliocentric

• geocentric

• ellipticalcentric

Tags

NGSS.MS-ESS1-2

When a planet orbits the Sun, one of the foci of the elliptical orbit is _______________.

• the axis

• the perihelion

• the center

• the sun

What effect does increasing the distance between an ellipse’s foci have on the shape of an ellipse?

• Increases eccentricity

• Decreases eccentricity

• no effect

Which statement best describes Kepler’s 2^nd 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.

Tags

NGSS.HS-ESS1-4

Where will an object move at the greatest speed as it orbits the sun?

• Perihelion

• Aphelion

• Between perihelion and aphelion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

An orbital period is the time (in Earth time) a planet _______________ .​

• to complete one orbit around the sun

• revolves around the solar system

• Experiences a season

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which statement best describes Kepler’s 3^rd Law of Planetary Motion?​

• The closer a planet is to the sun, the shorter the orbital period is.

• Planetary orbits are in the shape of an ellipse

• The closer a planet is to its star, the lesser its orbital velocity.