Seasons and Their Causes
Physics ⇒ Earth and Space Physics
Seasons and Their Causes starts at 6 and continues till grade 12.
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See sample questions for grade 8
Describe how the tilt of Earth's axis affects the intensity of sunlight received at different latitudes.
Describe what happens during an equinox.
Describe what happens to the length of daylight during summer in the Northern Hemisphere.
Describe what happens to the Sun's path in the sky from winter to summer in the Northern Hemisphere.
During the December solstice, which hemisphere is tilted toward the Sun?
During the June solstice, which hemisphere receives the most direct sunlight?
A city in the Northern Hemisphere experiences its longest day on June 21. Explain why this happens and what is occurring in the Southern Hemisphere at the same time.
A student claims that both hemispheres experience summer at the same time. Is this statement correct? Explain your answer.
Which event marks the beginning of summer in the Northern Hemisphere?
(1) Autumnal equinox
(2) Vernal equinox
(3) Winter solstice
(4) Summer solstice
Which of the following best describes the Earth's revolution?
(1) Earth spinning on its axis
(2) Earth orbiting around the Sun
(3) The Sun orbiting around Earth
(4) The Moon orbiting around Earth
Which of the following best describes what happens at the poles during their respective summer solstice?
(1) The Sun never rises
(2) The Sun never sets
(3) The Sun rises and sets as usual
(4) The Sun is directly overhead at the equator
Which of the following best explains why it is warmer in summer than in winter?
(1) The Sun is closer to Earth in summer
(2) The Sun's rays hit Earth more directly in summer
(3) The Earth spins faster in summer
(4) The Moon blocks less sunlight in summer
Fill in the blank: The imaginary line that divides Earth into the Northern and Southern Hemispheres is called the ________.
Fill in the blank: The longest day of the year in the Northern Hemisphere occurs at the ________ solstice.
Fill in the blank: The path Earth takes as it moves around the Sun is called its ________.
Fill in the blank: The point in Earth's orbit when it is closest to the Sun is called ________.
True or False: The Earth's axis always points in the same direction in space.
True or False: The Earth's axis is tilted at an angle of about 23.5 degrees.
True or False: The Earth's distance from the Sun is the main reason for the seasons.
True or False: The equinoxes occur in March and September each year.
