Vocabulary
Where Earth and other planets orbit the sun
What is the Heliocentric model
All planets move in elliptical orbit, with the sun at one focus
What is Keplers first law ?
The center of mass between a planet and the sun
What is barycenter?
Rotation of Earth on its axis causes what?
What are days and nights
Fusing smaller, lighter hydrogen atoms
What is fusion
Where the Earth is the center of the universe
What is the Geocentric model
A line that connects a planet to the sun sweeps out equal areas in equal times
What is Keplers second law?
Wobble in Earth's axis
What is precession ?
The tilt of earth on its axis as it revolves around the sun
What are seasons
Transfer of energy through space by EM waves
What is radiation
What is the chromosphere
The square of an orbital period of any planet is proportional to the cube of its semi major axis
What is keplers third law
A change in the angle of tilt of Earth's axis
What is nutation ?
When the hemisphere is tilting back towards the sun
What is spring
Josie puts a pot of water on the stove to boil for her tea. What process warms up the pot ?
What is conduction
Imaginary lines that go through the North and South poles
What is Earth's axis
The point where the planet is closest to the sun
What is Perihelion
Due to this, our new north star will be Vega. This will cause a seasons to be opposite in the different hemispheres
What is precession
The gravitational pull between the sun, moon, and earth
What causes tides?
Energy from the sun that is used for chemical energy
What is photosynthesis
Force that causes Earths mass to move outward from its center at the equator as earth rotates on its axis
What is centrifugal force?
Used to determine the distance between the planet and the sun
What is an astronomical unit (AU)?
Due to an increase in tilt to seasons between both hemispheres will have more of a temperature difference
What is nutation
When the sun, moon, and Earth align. This causes even higher high tides and even lower low tides
What are spring tides
What is combustion