What is the Earth's AXIS?
It's the IMAGINARY LINE AROUND which the Earth ROTATES.
What is the Earth's ORBIT/REVOLUTION?
It's the MOVEMENT of the Earth AROUND the SUN.
What are the PHASES of the moon?
They're the SHAPE of the moon as it REFLECTS different amounts of SUNLIGHT. (the moon's cycle)
HOW LONG does it take for the Earth to complete one full ROTATION?
It takes ONE DAY, or 24 HOURS.
What TIME do you think it is in this picture? WHY?
It's about NOON. His SHADOW is very small, meaning the sun is directly OVERHEAD.
What is the Earth's EQUATOR?
It's the IMAGINARY LINE AROUND the CENTER/MIDDLE of the Earth.
How FAST is the Earth ROTATING? (at the EQUATOR)
It's rotating 1,000 MPH, or 1,600 KPH at the EQUATOR.
How TILTED is the Earth's AXIS?
It's titled at 23.4 degrees (from vertical 90 degrees; it's 66.6 degrees from horizontal 0 degrees).
What's it called when the sun COMES UP in the morning?
It's called the SUNRISE.
What's it called when the sun GOES DOWN at night?
It's called the SUNSET.
