Earth's Motion
The length of a year is determined by the amount of time it takes for...
Earth to revolve around the sun
What would be the most likely result if the angle of the axis of Earth decreased to zero?
No seasons
What is the length of a lunar month?
29.5 days
In which layer of the Sun does nuclear fusion occur?
Core
What is meteorology
Branch of Earth science that studies the atmosphere
Which natural phenomenon occurs as a result of Earth rotating on its axis?
Day and night
What is the main reason for the annual change of seasons?
Tilt of Earth's axis of rotation
What has the greatest effect on the height of a tide?
the gravitational pull of the moon
Why do green plants require solar energy?
To produce their own food (AKA photosynthesis)
What are the four main spheres of focus in earth science?
Geosphere, hydrosphere, atmosphere, biosphere
What does barycenter mean?
center of mass- is the balance point between 2 orbiting bodies
Seasons have to do with how close the Earth is to the Sun (True or False)
False
N.H's summer is when we are FARTHEST away from the Sun
The increase in the portion of the sunlit side of the Moon
Waxing
What is the primary means through which the Sun warms Earth?
Transfer of energy by electromagnetic waves
What are Earth's energy sources? (hint: there are two)
Earth's core and the sun
How would you describe Kepler's 1st Law?
each planet orbits the Sun in an ellipse shape rather than a circle
As Earth revolves around the Sun, the number of daylight hours varies from place to place. In which location would the number of daylights hours remain constant?
Equator
What is most likely to occur when the Sun, Moon, and Earth are aligned in a relatively straight line?
Larger than normal height difference between low tide and high tide (spring tide)
What are sun spots
Dark spots on the surface of the photosphere
How would you describe Earth's motion around the sun? (Think speed)
Speed increases the closer Earth is to the Sun and decreases the farther it is from the Sun
Sun is at its maximum altitude in the sky in the Northern Hemisphere
Summer Solstice
June 21/22
Closest point in the moon’s elliptical orbit is called
Perigee
What's the difference between nuclear fusion and nuclear fission
Nuclear fission splits heavier nucleus into smaller nuclei, and nuclear fusion is the process that produces the radiant energy of stars