Biology Forums - Study Force

The summer solstice (at the start of summer) is the point on the ecliptic where the Sun
 
  a. crosses the celestial equator moving north.
  b. crosses the celestial equator moving south.
  c. is farthest north of the celestial equator halting its northward movement.
  d. is farthest south of the celestial equator halting its southward movement.

Question 2

Which of the following causes seasons on Earth?
 
  a. Earth being closer to the Sun during our summer and farther during our winter
  b. the Sun's varying light output
  c. the tilt of Earth's axis
  d. the eleven-year sunspot cycle

Question 3

When it is winter in the northern hemisphere, it is ____ in the southern hemisphere.
 
  a. winter
  b. summer
  c. spring
  d. fall

Question 4

In the summer in the northern hemisphere,
 
  a. the Earth is closer to the Sun.
  b. the Earth's northern hemisphere is tilted toward the Sun.
  c. the Earth's northern hemisphere is tilted away from the Sun.

Question 5

The ____ is 18 years and 11 days long.
 
  a. sidereal period
  b. synodic period
  c. eclipse season
  d. Saros cycle
  e. eclipse year

Question 6

In Brazil, the longest period of daylight and the start of summer occurs during the month of
 
  a. December.
  b. March.
  c. September.
  d. June.

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