Unit one review

Planets travel around the sun in __ orbits

• circular

• rectangular

• oval

• elliptical

The planet with the most eccentric orbit is

• Mercury

• Venus

• Earth

• Mars

If a planet's eccentricity is closer to zero it more like a(n)

• circle

• highly eccentric ellipse

Which statement correctly describes when the earth is closest to the sun

• It is called aphelion and it occurs on January 3rd

• It is called perihelion and it occurs on July 3rd

• It is called aphelion and it occurs on July 3rd

• It is called perihelion and it occurs on January 3rd

When the earth is closest to the sun

• the sun will have the biggest apparent diameter and the greatest gravitational attraction

• the sun will have the smallest apparent diameter and the lowest gravitational attraction

• the sun will have the biggest apparent diameter and the smallest gravitational attraction

• the sun will have the smallest apparent diameter and the greatest gravitational attraction

Tags

NGSS.MS-PS2-4

Earth will travel fastest in its orbit when

• the earth is closest to the sun (January 3rd)

• the earth is farthest from the sun (July 3rd)

• The earth is closest to the sun (July 3rd)

• The earth is farthest from the sun (January 3rd)

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What is it called when earth reaches the point in orbit when it is farthest from the sun?

• Perihelion

• Aphelion

How can the position of the sun in earth's orbit be described?

• The sun is at the very center of a perfectly circular orbit

• The sun is at one of the two focal points of a slightly eccentric ellipse

• The sun is at one of the two focal points of a highly eccentric ellipse

Tags

NGSS.MS-ESS1-2

The areas swept by an invisible line between the sun an the earth will be

• larger if the earth moves for the same amount of time

• equal if the earth moves for the same amount of time

• smaller if the earth moves for the same amount of time

Tags

NGSS.MS-ESS1-1

The farther a planet is from the sun, the

• less time it will take to revolve around the sun

• more time it will take to revolve around the sun

• distance does not play a role