Reasons For The Seasons Flashcards
What causes seasons?
The tilt of the Earth tips different parts of the planet away or towards the Sun.
What does the Earth revolve around?
The Sun
How long does it take for Earth to complete an orbit?
365.25 days
What direction is the Earths axis tilted?
23.5 degrees
Winter Solstice
The shortest day of the year, less amount of sun, sun is lower.
Autumnal and Vernal Equinox
Day and night are the same time length.
Summer Solstice
Sun is highest in the sky, more sunlight, longest day of the year.
Equinox
Equal night
If Earths orbit takes 365.25 days, what happens to the 0.25?
Every four years, it makes another day. We add that day to February, and call it a leap year.
How many hours does it take for Earth to rotate?
24 hours
What’s the average distance between the Sun and the Earth?
149 600 000 km
Aphelion
When the Earth is farthest from the Sun
Perihelion
When the Earth is closest to the Sun
Solar eclipse
When the Moon is between the Sun and a part of Earth
Why shouldn’t you look at the sun directly?
Because looking at the sun could trigger the back vein in your eye and make you blind