Seasons
What is the primary cause of the seasons?
The tilt of the earth on its' axis
What causes the tides?
The gravitational pull of the sun and the moon on the earth
How is the sun's radiation responsible for life on earth?
Photosynthesis as well as providing food and fuel
What is Kepler's First Law?
The planets orbit the sun in a path called an ellipse.
Which of the following effects seasons: precession or nutation?
Nutation
What is the longest day of the year called?
Summer solstice
What kind of tide causes more extreme high and low tides?
Spring tide
What type of waves have the longest wavelength?
Radio waves
What is Kepler's Second Law?
The planets move fastest when they are closest to the sun in their orbits.
Polaris
What are the days with equal amounts of sunlight and darkness called?
Fall and Spring Equinox
What kind of tide causes less extreme high and low tides?
Neap tide
What color has the shortest wavelength?
Purple/blue
The farther a planet orbits, the longer the planet takes to revolve around the sun
Which takes longer in terms of years: nutation or precession?
Precession
During what season is the earth closest to the sun?
Winter
The sun and the moon's gravitational forces pulling on the earth in the same direction.
What is the splitting of atoms called?
Fission
What keeps the planets in a circular orbit?
Gravity
What is nutation?
The wobbling that occurs during procession
What is the point where the sun is furthest from the sun called?
Aphelion
What causes neap tides?
The sun and the moon's gravitational forces pulling on the earth in different directions
What is the combining of atoms called?
Fusion
What is the Astrological Unit?
The average distance between the earth and the sun (or 150 million km)
What is precession?
THe change in the direction of earth's axis without any change in its tilt