The Four Seasons

1. The Four Seasons

4. The Earth’s axis is tilted to 23.5 degrees

5. Seasons The Earth’s axis is tilted at 23.5

6. This tilt causes the energy from the sun to hit Earth at different angles throughout the year. The Result? SEASONS!

7. Solstice Two days of the year on which the noon sun is directly overhead at either 23.5 North or South latitude Around June 21st, the Sun is at 23.5 North. This marks the summer solstice for the Northern hemisphere and winter solstice for the Southern hemisphere. Around December 21st, the Sun is at 23.5  South. This marks the winter solstice for the Northern hemisphere & summer solstice for the Southern hemisphere

8. Seasons Summer: When a hemisphere is tilted toward the sun Winter: When a hemisphere is tilted away from the sun

9. Equinox Means equal day and equal night During equinox, sun is directly over the equator at noon Vernal (spring) equinox - Occurs around March 21, marks the beginning of spring. Autumnal (fall) equinox – Occurs around Sept 21 marking the beginning of fall.

11. The Sun’s path through the sky Summer Solstice June 21 Sun is at its highest angle in the sky, longest amount of daylight Winter SolsticeDecember 21 Sun is at its lowest angle in the sky, shortest amount of daylight