What weighs more: a liter of water or a kilogram of gold?

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* 1. What weighs more: a liter of water or a kilogram of gold?

What is the distance from the equator to the North Pole?

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* 2. What is the distance from the equator to the North Pole?

What is the circumference of Earth?

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* 3. What is the circumference of Earth?

What is the distance from Earth sea level to the deepest Earth ocean floor (Mariana Trench)?

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* 4. What is the distance from Earth sea level to the deepest Earth ocean floor (Mariana Trench)?

What is the distance from Earth sea level to the Kármán line (boundary between Earth atmosphere and outer space)?

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* 5. What is the distance from Earth sea level to the Kármán line (boundary between Earth atmosphere and outer space)?

Scaling Earth down to globe size (100 cm in circumference) what thickness represents the greatest Earth ocean depth?

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* 6. Scaling Earth down to globe size (100 cm in circumference) what thickness represents the greatest Earth ocean depth?

Scaling Earth down to globe size (100 cm in circumference) what thickness represents Earth atmosphere?

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* 7. Scaling Earth down to globe size (100 cm in circumference) what thickness represents Earth atmosphere?

How long would it take you to reach the deepest ocean floor if you could ride your bike at 20 km/h straight down?

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* 8. How long would it take you to reach the deepest ocean floor if you could ride your bike at 20 km/h straight down?

How long would it take you to reach outer space if you could ride your bike at 20 km/h straight up?

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* 9. How long would it take you to reach outer space if you could ride your bike at 20 km/h straight up?

Correct Answers: 1C 2C 3C 4B 5B 6B 7C 8B 9C. Would you like to receive a complementary International System Ruler (shown at Metric Pioneer dot com) just for registering as a Metric Pioneer member?

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* 10. Correct Answers: 1C 2C 3C 4B 5B 6B 7C 8B 9C. Would you like to receive a complementary International System Ruler (shown at Metric Pioneer dot com) just for registering as a Metric Pioneer member?

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