Solstices
What day is the Winter Solstice in the Northern Hemisphere?
December 21st
Rotation
When one object moves around another.
Revolution.
what are the seasons on Earth?
Spring, Summer, Fall, and Winter.
The energy of position, or energy stored to be released, is called _________.
Potential Energy
June 21st is the ____________ Solstice in the Northern Hemisphere.
Summer
The rotation of the Earth causes _________.
day and night.
What are the two hemispheres of the Earth?
Northern and Southern hemispheres.
if it is Summer in Texas, what season is it in Australia?
Winter.
Energy in motion is called _________.
The Summer Solstice in the Northern Hemisphere is the _________ day of the year.
longest.
How long does it take the Earth for one full rotation?
How many days does it take the Earth to revolve around the sun?
365.25 days
What causes the seasons ?
The Earth's tilt
True or False: A bowling ball sitting on the rack is an example of kinetic energy.
False
The shortest day of the year is called the __________.
Winter Solstice
the Earth is tilted at how many degrees?
23.5 degrees
An imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres:
the Equator
When the Earth is tilted towards the Sun, the Northern hemisphere has what?
Summer
the formula for density is:
D = M/V
density = mass divided by volume
When are days and nights the same length of time?
Equinoxes (March and September 21st).
______ is the imaginary line that extends from the North pole to the South pole.
the Axis.
True or False: The Earth revolves around the Sun in an elliptical path.
True or False: the northern and southern hemispheres experience the same seasons at the same time.
False.
the quantity of something per unit volume, unit area, or unit length.
Density