Vocabulary
What is a sphere?
Round 3D Object/Shape.
If early people didn't believe that the Earth was shaped as a sphere, what did they think it was shaped as?
They thought it was flat.
True or False: When looking at a compass pointing North, are you looking at the North pole or the magnetic field's North?
Magnetic Fields
What about Earth causes us to have seasons?
Earth's tilt
What is the difference between the Geocentric and Heliocentric views?
Geo = Earth is the center of the universe.
Helio = Sun is the center of the universe.
What is an Ellipse?
What imaginary line, which cuts through the center of the Earth, makes the Earth spin?
The axis
True or false: The magnetic field is the same as the rotation axis.
False
What angle degree does our Earth tilt at?
23.5 degrees
Major constellations came from what mythology?
Greek Mythology
Earth's yearly orbit around the Sun.
What did Aristotle see that made him conclude that the Earth was indeed a sphere?
Earth's curved shadow on the moon.
What does the magnetic field protect us from?
The Sun's radiation.
During an equinox, the number of daylight hours is _______________ around the world.
What are the three types of telescopes?
Refractor, Reflector, and Compound
What is a solstice?
When the Sun reaches its greatest distance north or south of the equator.
Sailors noticed something different in the night sky when they sailed the open blue. What was it?
The North Star would move higher or lower as they sailed.
What angle degree does the magnific field lean at?
11.5 degrees
What is a unique feature that both Solstices and Equinoxes have in terms of dates between the Northern and Southern hemispheres?
They are flipped! They are mirrored.
What term was used to describe what causes the light particles to move, creating a small change in optical properties?
Hint: It makes the image appear to be moving and twinkling!
Atmospheric turbulence
What is an equinox?
When the Sun is directly above the equator.
Compare and contrast: Rotation and Revolution
Revolution = Earth's yearly orbit
Both deals with the motion of spinning.
What hypothesis about Earth do we say creates the magnetic field?
Materials inside of the Earth
The hemisphere tilted toward the sun will receive more daylight compared to the other hemisphere that is tilted away from it.
Who proposed the Geocentric View?
Aristotle