What year did the first airplane fly?
1903
How many feet long is a blue whale?
100
How fast can a cheetah run?
70 miles per hour
How many squares are on a chessboard?
64
How many gallons of milk does a dairy cow produce in one day?
8
How many ribs are in the human body?
24
How many teeth does an adult bull shark have at any given time?
350
How many teeth does an adult human have?
32
How many countries are in the world?
195
How many gallons of water in an Olympic pool?
600,000
How many brains does an octopus have?
9
About how many eggs can a bullfrog lay at once?
20,000
How many hearts does an octopus have?
3
How tall is Mt. Everest?
29,032
How many U.S. presidents have there been?
46
How many muscles are used to smile?
17
About how many miles is it from Earth to the moon?
238,900
How many miles away is the Moon?
238,900
How tall is Mount Everest? (in feet)
29,032 feet
How many legs does a lobster have?
10
How many keys are on a standard piano?
88
On average, how many hours per day does a sloth sleep?
15
How many spots does the average ladybug have?
7
How many miles long is the Mississippi River? (in miles
2,340 miles
How many minutes are in a day?
1,440
How many minutes does it take the sun light to travel from the sun to Earth's surface
8
How many times does the average human blink per minute?
15