An imaginary line that divides the Northern and Southern Hemispheres.
What is the equator?
It takes 365 1/4 days for the Earth to complete one
What is a revolution?
A __________ is a day when Earth's rotation axis is the most toward or away from the Sun
What is solstice?
Regions near the poles receive _______ energy than regions near the equator.
What is less?
The path a revolving object follows.
What is orbit?
This occurs every four years in February.
What is a leap year?
It is colder in these regions of the Earth.
What is the North and South Pole?
What is 23.5?
A small part of the Sun's energy reaches Earth as
What is light and thermal energy?
The Earth is always...
What is tilted?
In the Sun, atoms combine during ______________ producing huge amounts of energy.
What is nuclear fusion?
The law of universal gravitation states that the pull of gravity depends on the masses of the objects and the __________ between them.
What is distance?
The ________ diameter is more than 100 times greater than Earth's diameter.
What is the Sun's?