Earth Science Trivia Quiz

Test your knowledge!

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1. A human being will lose an average of _________ strands of hair each day.

		5000
		500
		200
		100

2. The average human produces _________ quarts of spit in a lifetime.

		50
		100
		1000
		25,000

3. The largest human organ is the __________.

		liver
		skin
		heart
		stomach

4. The most common blood type in the world is type ____.

		O
		A
		B
		AB

5. There are _______ miles of nerves in the skin of a human being.

		1
		5
		45
		90

6. _________ cells die in the human body every minute.

		3
		3,000
		300,000
		300,000,000

7. A fingernail or toenail takes about ______ to grow from base to tip.

		6 months
		3 months
		3 weeks
		1 week

8. According to German researchers, the risk of heart attack is higher on ________ than any other day of the week.

		Saturday
		Sunday
		Monday
		Friday

9. The average human scalp has about _________ hairs.

		1,000
		10,000
		25,000
		100,000

10. An average human drinks about ________ of water in a lifetime.

		16,000 gallons
		16,000 pints
		16,000 liters
		16,000 cups

11. An average person uses the bathroom ____ times per day.

		2
		4
		6
		12

12. By the time you turn 70, your heart will have beat some __________ times.

		25,000
		250,000
		250,000,000
		2,500,000,000

13. Every square inch of the human body has an average of _______ bacteria on it.

		32 billion
		32 million
		32 thousand
		32

14. Humans shed about _______ particles of skin every hour.

		600,000
		60,000
		6,000
		600

15. If it were removed from the body, the small intestine would reach a length of _________.

		2 feet
		10 feet
		20 feet
		40 feet

16. Researchers looked at more than 400 non-food choking deaths in children over a 20-year period and found that most were caused by _________.

		balloons
		pennies
		marbles
		rocks

17. Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly ______ long in his lifetime.

		5 feet
		10 feet
		20 feet
		30 feet

18. Every square inch of skin on the human body contains about _______ sweat glands.

		60
		600
		6,000
		6,000,000

19. The average human produces about _______ of gas by flatulence every day.

		1/2 pint
		pint
		quart
		gallon

20. English ships carried limes to protect the sailors from scurvy. American ships carried _____________.

		oranges
		limes also
		pinapples
		cranberries

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