Understanding Astronomy

Mini-Quiz: Characteristics of the Earth

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

QUIZ

Self-check your understanding

What does the Earth's unique position with the Sun allow?
It allows the Earth to orbit the SunSorry, not correct. Try another button. It allows for space travelGood try, but not right. Select another answer. It allows life to surviveThat is correct. You are becoming a Champion in astronomy.
Is the Earth an exact sphere?
Yes, it is a perfect sphereOops! Wrong answer. Re-read the question and try again. No, it is flattened at the polesGood job. You must have studied. No one knows for sureSorry, not correct. Try another button.
What does the rotation of the Earth help create?
GravityOops! Wrong answer. Re-read the question and try again. The magnetic forceThat is correct. You are becoming a Champion in astronomy. The Northern LightsGood try, but not right. Select another answer.

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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.

This is the only Earth we have. Keep it a good place to live.

Resources and references

The following resources provide information on this subject:

Websites

Earth Facts and Figures – From NASA

The Earth – Details from Nine-Planets website

Earth’s Atmosphere – From the University of Tennessee Department of Physics

Astronomy Science @ NASA

Space Weather – News about Earth-Sun environment

Earth’s Magnetic Field Is Fading by John Roach for National Geographic News September 9, 2004

Astronomy Resources

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Self-check your understanding

Resources and references

Websites

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