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Published byNorma Osborne
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What causes seasons? The tilt of the Earth on its axis The 23.5° tilt is caused by the interaction between the Moon and the Earth
Summer Solstice The Sun’s rays hit the Tropic of Cancer at a 90° angle June 21 st or 22 nd Longest day of light for the Northern Hemisphere
Summer Solstice What happens in the Southern Hemisphere?
Winter Solstice The Sun’s rays hit the Tropic of Capricorn at a 90° angle December 21 st or 22 nd Shortest day of light for the Northern Hemisphere
Winter Solstice What happens in the Southern Hemisphere?
Autumnal Equinox The Sun’s rays hit the Equator at a 90° angle September 22 nd or 23 rd Equinox means “Equal Night” Hours of daylight = darkness Fall
Vernal Equinox The Sun’s rays hit the Equator at a 90° angle March 21 st or 22 nd Equinox means “Equal Night” Hours of daylight = darkness Spring
Precession The axis of the Earth continual points towards the North Star. What does this mean for the Southern Hemisphere?
Precession The slow circular motion of the Earth;s axis as it turn in space that traces a circle in space every 26 thousand years
The Tilt of Earth Terms Earth’s tilt 23.5°
Do Now In your notebook, answer the following question in complete sentences: What causes the seasons?
Motions and Their Effects
SEASONS V. Cruz.
THE EARTH IN SPACE THE SEASONS The Earth in Space.
EARTH ° Prime Meridian O ° Arctic Circle 66 2/3 °
Earth’s Tilt and Rotation
Today’s Agenda… Bellringer: Identify each as rotation or revolution (this is not multiple choice) A. Takes 24 hours B. Spins on Axis C. Takes 365 ¼ days.
The Earth’s Revolution
The Earth and its Motions
Choose a category. You will be given the answer. You must give the correct question. Click to begin.
Earth-Sun Relationship. 00 0 latitude – Equator 0 longitude – Prime Meridian (has no affect on climate)
Astronomy The study of the moon, stars, and other objects in space Study the movements of the sun, and moon as they appear to travel across the sky Will.
The Earth in Space. The Earth’s Gravity ► – force of attraction between all matter. ► Gravity – force of attraction between all matter. ► – the force.
Earth orbits the sun on a tilted axis. Different hemispheres face the sun at different times. At any time during the summer or winter, one part of the.
Earth-Moon-Sun Cycles. Cycle # 1 Day and Night Day Night Day Night.
Earth-Sun Relationships. Key Concepts Insolation: The solar radiation incident on a unit horizontal surface at the top of the atmosphere. Essentially,
24.2 Sun and Seasons
The Earth and Its Seasons. Why Do We Have Days? Day and night are determined by the Earth’s rotation. The light from the Sun is always being emitted.
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