Earth's Rotation
True or false: Earth's rotation is the motion of the Earth around a path in space.
FALSE. Earth's rotation is the turning or spinning of the Earth on its axis.
Earth revolves around _______.
THE SUN
TRUE or FALSE: Winter happens in the hemisphere tilted toward the sun.
FALSE
On the summer solstice, at what angle does the sun appear in relation to the equator?
23.5 degrees north of the equator
How long is one rotation of the Earth?
24 hours
Earth's orbit is ________.
Elliptical
The path of the sun and the celestial equator intersect at what angle?
23.5 degrees
What does a solstice result in a change of?
Night and day
Does the Earth's rotation look more like a spinning basketball or a rotisserie chicken?
A spinning basketball
The speed of the Earth's orbit is _______
107,000 km per hour
What causes the seasons?
The Earth being tilted on its axis.
On what days does the winter solstice usually occur?
December 21st-22nd
What is Earth's rotation used to measure?
TIME
The average distance from the sun (otherwise known as an Astronomical Unit) is __________
150 million km
23.5 degrees
What are the 2 points of the year where the sun and the celestial equator intersect perfectly, causing equal amounts of solar energy on both hemispheres?
Equinox
What is the main effect of Earth's rotation?
Day n' Night
TRUE or FALSE: The distance from the Earth to the sun is always the same.
FALSE because the Earth's orbit is elliptical.
The imaginary plane that connects the Earth's orbit with the celestial sphere is known as ___________
The plane of the ecliptic
On what days usually fall the Spring equinox?
March 20th or 21st