Earth Science 1 : 1 Five

Which statement is true?

*The law of equal areas suggests that the imaginary line connecting the Sun to a planet sweeps out equal areas in equal amounts of time.* The law of equal areas suggests that the imaginary line connecting the Sun to a planet sweeps out equal areas, but in a shorter time period the closer the planet is to the Sun. The law of equal areas suggests that the imaginary line connecting the Sun to a planet sweeps out different amounts of space in equal amounts of time. The law of equal areas suggests that the imaginary line connecting the Sun to a planet sweeps out equal areas, but in a faster time period the closer the planet is to the Sun.

The law of *BLANK* suggests that the orbit of planets is not circular but *BLANK*.

1. Ellipses 2. Elliptical

1. Aphelion 2. Ellipse 3. Geocentric 4. Heliocentric 5. Perihelion

1. Farthest point from the Sun in a planet's orbit. 2. Geometric shape resembling a flattened circle that has two focal points. 3. Model of the solar system that suggested Earth was the center of the universe and everything orbited around it. 4. Model of the solar system that suggested the Sun was the center of the universe and planets orbit it in circular paths. 5. Closest point to the Sun in a planet's orbit.

The law of equal areas suggests that planets move fastest when at *BLANK* and slowest when at *BLANK*.

1. Perihelion 2. Aphelion

The harmonic law would suggest that Neptune will take *BLANK* to orbit the Sun than Mercury.

A longer amount of time.

*BLANK* suggested that the Sun and moon orbited Earth, and the rest of the planets orbited the Sun.

Brahe

Copernicus and other astronomers before him thought that celestial bodies followed a *BLANK* orbital path.

Circular

Johannes Kepler, an apprentice of Brahe, believed in the heliocentric universe but rejected past astronomers' belief in *BLANK*.

Circular orbital paths

The *BLANK* model of the structure of the solar system suggests that the earth is the center of the universe.

Geocentric

Which scientist would best describe the motion of the earth?

Kepler

The square of the orbital period of a planet around the sun is proportional to the cube of the planet's orbital radius. This follows the *BLANK*.

Law of Harmonies.

An ellipse has two focal points. One of the focal points is the *BLANK*.

Sun