Properties of Earth
Rotation
Magnetic Axis
Earth's Tilt
Orbiting The Sun
100
What shape is the Earth?
What is a sphere?
100
What would happen if Earth stopped spinning along its axis as it orbits the sun?
What is day and night would only exist on one side of the world each?
100
What does Earth produce that is like a bar magnet?
What is a magnetic field?
100
What does Earth's tilt cause?
What are the seasons?
100
What is a solstice?
What is the day when the sun reaches its greatest distance north or south of the equator?
200
Who was Aristotle?
What is a Greek astronomer and philosopher who believed the Earth was round due to the Earth casting a curved shadow on the moon during an eclipse?
200
How long does one rotation take?
What is 24 hours?
200
What two components cause Earth to generate a magnetic field?
What is the movement of material inside of Earth and Earth's rotation?
200
What is the degree of the Earth's tilt?
What is 23.5 degrees?
200
When do the summer and winter solstices occur in the northern hemisphere?
When is June 21st or 22nd and December 21st or 22nd?
300
Why is the Earth not a perfect sphere?
What is it is not a perfect sphere because it bulges at the equator and flattens at the poles?
300
How long does on revolution take?
What is about 365 days, 6 hours, and 9 minutes?
300
Is Earth's magnetic field important for humans?
What is yes because it protects us from radiation by trapping many charged particles from the sun?
300
At what distances is the Earth closest and furthest from the sun?
What is the closest distance at 147 million km and the farthest distance being 152 million km?
300
When are the summer and winter solcities in the southern hemisphere?
When is December and June?
400
Did people believe that the Earth was flat?
What is yes?
400
This causes days and nights.
What is a rotation along Earth's axis?
400
Does Earth's magnetic field ever change?
What is yes?
400
What is an eclipse?
What is an elongated, closed curve?
400
What is an equinox?
What is something that occurs when the sun is directly above Earth's equator?
500
What are some examples of spheres?
What are soccer balls, baseballs, tennis balls, volleyballs, etc?
500
What is Earth's axis?
What is the imagery around which Earth spins?
500
What are the two magnetic poles?
What are the North and South poles?
500
What shape is the Earth's orbit around the sun?
What is an eclipse?
500
What are the two equinoxes that occur and when do they occur in each hemisphere?
What are the Spring and fall equinoxes? The spring equinox occurs on March 20th or 21st and the fall occurs on September 22nd or 23rd. In the southern hemisphere, it is reversed.