Seasons
This causes seasons?
Earth's revolution
How many time zones are there?
24
What theory states that the Earth is in the center and every other planet circles around it?
Geocentric Theory
What does the Sun provide us with?
Light, warmth, food
What is the degree of Earth's tilt?
23.5%
When it's winter in the Northern Hemisphere, it is what season in the Southern Hemisphere?
summer
If we go west of the International date line we ______ a day.
Gain
Who developed the Heliocentric theory?
Copernicus
Is the sun in the center of earth's orbit?
no it's not
Earth's tilt
What is the date for winter solstice?
Dec 21-22nd
If we go east of the Prime Meridian we ________ an hour.
Gain
Ptolemy developed what theory?
Revolution of the sun gives us this?
seasons
Earth was always tilted? True or false?
False
When the earth's subsolar point is over the equator, what season is it?
Fall/Spring
If its 3 pm in Virginia, what time is it in Nevada?
12 pm
True or False
The Heliocentric theory has the sun in the middle?
true
Point closest to the sun?
Perihelion
Earth is tilted towards this?
North star
What season do you get in the Northern hemisphere if the subsolar point is over the Tropic of Cancer?
Summer
Why do we have time zones?
To be able to tell time when the sun rises and sets
Why was the geocentric theory widely accepted?
Sun rose and set, it appeared as if earth didn't move
What is sun's composition?
73.5% Hydrogen
25% Helium
1.5% other