the occurrence of day and night is because of ---
the Earth's rotation
In this figure: Is Egypt day or night now?
day
Due to this, objects deflects to the right in the Northern hemisphere and to the left in the Southern hemisphere
Coriolis effect/force
The rise and fall in the level of seawater, twice a day
tides
February 29
leap year
An imaginary line that divides the Earth into halves -- northern and southern hemispheres
Equator
Continuous and directed movement of ocean water that is generated by number of forces. It can flow on the surface or in depths of ocean and it can be local or global.
ocean currents
Reference point of Earth's rotation
axis
During equinoxes ---
the Sun's rays fall directly on the equator
The movement of the Earth around the Sun in a fixed path
revolution
a day when the Sun's rays fall directly over the Tropics of Cancer and/or Capricorn.
solstice
What cause the time differences in different parts of the world?
Earth's rotation
When does Vernal equinox occur?
21 March
During the (summer/winter) season, the day is shorter than the night.
winter
a day when the Sun's rays fall directly over the equator
equinox
During summer, we experience ---
longer days and shorter nights
What are the major heat zones?
torrid, temperate and frigid zones