#1
Which phenomenon causes the apparent path of the Sun to change throughout the year?
Revolution
ExplanationEarth's orbit around the Sun causes the changing position of the Sun.
#2
During which equinox are day and night of approximately equal duration?
Spring Equinox
ExplanationEqual day and night occur during the Spring Equinox.
#3
What is the name of the imaginary line around which Earth rotates?
Axis
ExplanationEarth rotates around its imaginary line called the Axis.
#4
Which factor primarily determines the length of a day on Earth?
Rotation speed
ExplanationThe rotation speed of Earth primarily determines the length of a day.
#5
What is the phenomenon that causes the Earth to experience different temperatures in its various regions?
Differential heating
ExplanationDifferential heating leads to varied temperatures across Earth's regions.
#6
Which celestial body exerts the greatest influence on Earth's tides?
Moon
ExplanationThe Moon exerts the greatest influence on Earth's tides.
#7
What causes the Earth's tilt relative to its orbit around the Sun?
Past collision with celestial bodies
ExplanationThe Earth's tilt is a result of past collisions with celestial bodies.
#8
What is the term for the effect that causes the Sun to appear higher in the sky during the summer months?
Solar zenith
ExplanationSolar zenith leads to the Sun's higher position in the summer sky.
#9
What is the name of the point in Earth's orbit where it is closest to the Sun?
Perihelion
ExplanationPerihelion is the point in Earth's orbit closest to the Sun.
#10
What is the term for the phenomenon when the Earth's axis is perpendicular to the Sun's rays, resulting in maximum daylight for one hemisphere?
Solstice
ExplanationSolstice results in maximum daylight for one hemisphere due to the axis's orientation.
#11
What is the name of the phenomenon where the Earth's axis slowly traces out a circle in the sky over a period of approximately 26,000 years?
Precession
ExplanationPrecession involves the Earth's axis tracing a circle in the sky over a long period.
#12
During which phase of the Moon do lunar eclipses occur?
Full Moon
ExplanationLunar eclipses occur during the Full Moon phase.
#13
During which astronomical phenomenon does the Sun appear farthest from the celestial equator?
Winter Solstice
ExplanationThe Winter Solstice marks the Sun's farthest position from the celestial equator.
#14
What causes the changing of the seasons on Earth?
Changes in axial tilt
ExplanationSeasonal changes on Earth are caused by variations in axial tilt.
#15
What is the name of the phenomenon where the Sun is directly overhead at noon at the Tropic of Cancer?
Zenith
ExplanationZenith occurs when the Sun is directly overhead at noon at the Tropic of Cancer.
#16
What is the term for the period when day and night are of equal length?
Equilux
ExplanationEquilux is the period when day and night are of equal length.
#17
What is the term for the alignment of three celestial bodies in a straight line, such as the Sun, Moon, and Earth during a solar eclipse?
Syzygy
ExplanationSyzygy refers to the alignment of three celestial bodies, like during a solar eclipse.