History
An early solar system model.
What is an orrery?
The 4 seasons.
Summer, Winter, Autumn, Spring.
Light from the sun falls on this much of the spinning earth.
What is half?
The number of moon phases.
What is the number eight?
The action of moving in a circle round an axis.
What is rotation?
Eratosthenes' persuasive device.
What is Logos or Logic?
The shortest day of the year.
What is the winter solstice?
The earth has rotated so that our side faces the sun.
What is day time?
This causes the Earth to have seasons.
What is Earth's tilt?
The curved path of a celestial object.
What is an orbit?
Eratosthenes' proof that the Earth was round.
What was the shadow in the well?
The longest day of the year.
What is the summer solstice?
The earth has rotated so that our side is facing away from the sun.
What is night time?
The time it takes the Earth to make one revolution.
What is one year / 365 days?
A single orbit of one object around another.
What is a revolution?
Galileo's beliefs resulted in this happening to him.
What is house arrest?
The time of the year when the day and night are about an equal number of hours.
What is an equinox?
The time it takes the earth to make one rotation.
What is 24 hours?
The time it takes the Moon to orbit the Earth.
What is approximately 28 days?
An imaginary line on which something rotates.
What is an axis?
Galileo's belief.
What is a Sun centred solar system? (the planets orbit the Sun)
The reason the northern hemisphere has summer in June, July and August and the Southern hemisphere has summer in December, January, and February.
What is the Earth's tilt on its axis?
The cause of the moon shining.
What is the reflection of the Sun?
The Moon is between the Earth and the Sun.
What is a solar eclipse?
Considered in relation or in proportion to something else.
What is relative size?