Magnetic Reversals: Back to the future?

1. T or F: The Earth’s magnetic field stays the same always.

2. How long have people known the Magnetic field changes? ________________________________________________________________

3. How can we track the magnetic field changes in the past?________________________________________________________________

5. What is going to happen to the North pole in future?________________________________________________________________

6. Where was the North Pole 800,000 years ago?________________________________________________________________

7. T or F: The Earth’s magnetic field has flipped often in the past.

8. How long does each “reversal” of the magnetic field last now?________________________________________________________________

9. How long has our current North Pole been the North Pole?________________________________________________________________

10. What causes the North and South Poles?________________________________________________________________

11. T or F: Our Magnetic field is getting stronger right now.

12. T or F: We’ll all die if the magnetic field flips.

13. Explain two pieces of evidence that support your answer for number 12.