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Mini-Quiz: Motion of the Earth

by Ron Kurtus (revised 18 June 2010)

Take this Mini-Quiz to check your understanding of the lesson material.



1. What is a leap year?

A year with 365.25 days

A year with an extra day to compensate for the actual number of days to orbit the Sun

A year without February

2. Why is it warmer in summer in the Northern Hemisphere?

The Earth is closer to the Sun

The days are longer and the sunlight more direct

The Earth is closer to the equator in summer

3. Is the Earth rotating around the center of the Milky Way?

No, it only rotates around the Sun

The Earth is at the center of the Milky Way

Yes, it follows the Sun in its orbit

If you got all three correct, you are on your way to becoming a Champion in Astronomy. If you had problems, you had better look over the material again.


Be proud of your work


Resources and references

Ron Kurtus' Credentials

Websites

Earth Facts and Figures - From NASA

The Earth - Details from Nine-Planets website

Space Weather - News about Earth-Sun environment

Astronomy Resources

Books

Top-rated books on Earth Astronomy


Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.


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