Seasons
Seasons 2
Eclipses / Moon
Scientists
Helio/Geo
100
Earth’s axis tilts different parts of Earth toward or away from the sun at different points in Earth’s orbit is an explanation for this.
What is why the earth has seasons?
100
This is the date of the Spring Equinox.
What is March 21?
100
This kind of eclipse will occur when the Moon completely blocks out the view of the Sun for an observer on Earth.
What is a Total Solar Eclipse?
100
This scientist first developed the theory that the planets, including the earth, revolve around the sun.
Who is Copernicus?
100
The ancient Greeks believed this system was correct.
Geocentric.
200
Each student in this class has made about this many trips around the sun.
What is 12 or 13?
200
This is the date of the Summer Solstice.
What is June 21?
200
This scientist observed and recorded the movement of the planets for twenty years.
Who is Brahe?
200
This is Galileos proof that the Heliocentric model is correct.
Jupiter's moons revolve around Jupiter, not the Earth.
300
One revolution around the sun takes this many days.
What is 365 or 365 1/4?
300
This is the date of the Autumnal Equinox.
What is September 23?
300
This is why eclipses do not occur every month.
The angle of the moon's tilt on its orbit usually prevents the shadow of the moon from reaching the Earth.
300
These planets can be seen without a telescope.
Mercury, Venus, Mars, Jupiter, Saturn
400
This is the shape of the earth's orbit.
What is an ellipse?
400
This Which moon phase occurs when the Moon is directly between the Earth and the Sun.
New Moon.
400
Galileo was the first scientist to do this.
Look at the stars with a telescope?
400
Aristotle’s belief that the planets, the stars, and the sun revolve around the Earth is known as this.
Geocentric model.
500
This is why people experience day and night.
What is rotation of the earth on its axis?
500
This is why only small populations of humans on Earth experience a total solar eclipse.
What is Eclipses occur on an irregular basis in specific locations.
500
An observer on Earth views the Sun lighting different parts of the moon is an explanation of this.
Why the moon has phases.
500
This was Ptolemy's theory of why some of the planets moved backwards and at different speeds.
The planets move in little circles in a big circle around the earth.
500
Copernicus developed this theory of the solar system.
Heliocentric.
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