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 9
Describe how the angle of sunlight affects the temperature experienced at different latitudes.
Describe the relationship between Earth's tilt and the intensity of sunlight received at different latitudes.
Describe what happens during an equinox.
Describe what happens to the Sun's position in the sky at noon as you move from the equator toward the poles.
During which month does the Northern Hemisphere experience the summer solstice?
Explain why the length of daylight changes throughout the year.
Explain why the poles experience six months of daylight followed by six months of darkness.
Explain why the seasons are opposite in the Northern and Southern Hemispheres.
Which of the following best describes the cause of longer days in the summer?
(1) The Earth moves faster in its orbit
(2) The Sun is higher in the sky for a longer period
(3) The Earth's axis is not tilted
(4) The Sun is closer to the Earth
Which of the following best describes why days are longer in summer than in winter?
(1) The Earth spins faster in summer
(2) The Sun is closer to the Earth in summer
(3) The tilt of the Earth's axis causes the Sun to take a longer path across the sky
(4) The Earth's orbit is more circular in summer
Which of the following best explains why the Southern Hemisphere's summer occurs during the Northern Hemisphere's winter?
(1) The Southern Hemisphere is closer to the Sun
(2) The Earth's axis is tilted so that the Southern Hemisphere receives more direct sunlight
(3) The Earth's rotation reverses
(4) The Sun moves southward
Which of the following is NOT a reason for the seasons?
(1) The tilt of Earth's axis
(2) The revolution of Earth around the Sun
(3) The changing distance between Earth and Sun
(4) The parallelism of Earth's axis
Fill in the blank: The ______ Hemisphere experiences summer in December.
Fill in the blank: The ______ Hemisphere experiences winter in June.
Fill in the blank: The ______ solstice marks the shortest day of the year in the Northern Hemisphere.
Fill in the blank: The ______ solstice occurs around December 21st in the Northern Hemisphere.
True or False: The Earth is closer to the Sun during summer than in winter.
True or False: The Earth's axis is tilted in the same direction throughout its orbit.
True or False: The Earth's axis points toward the same star (Polaris) throughout the year.
True or False: The Earth's orbit around the Sun is a perfect circle.
