How many bones are in a human body?
(the same as in a human's neck)
206
How many planets in our solar system have rings?
4 planets (Jupiter, Saturn, Uranus, Neptune)
How many hearts does an octopus have?
3 hearts
What is the average lifespan of a honey bee in days?
122 to 152 days for a worker bee
What is the total length of the Great Wall of China in kilometers?
21,196 km
How many students in Grade 7?
108 students
How many planets in the Solar System?
8 planets
Guess the number of subway stations in Toronto.
70 stations
Guess the number of floors in the Burj Khalifa.
163 floors
How many languages are in the world?
Around 7,000
What is the total number of steps in the CN Tower?
1,776 steps to the top
Guess the length of the longest recorded flight of a chicken, in seconds.
13 seconds
How many keys are there on a standard piano?
88 keys
How many moons does Jupiter have?
79 known moons
How many countries does the equator pass through?
13 countries
Guess the number of islands that make up Japan.
About 6,852 islands
Guess the number of different animal species known to science.
Over 8.7 million species
What is the speed of light in kilometers per second?
Approximately 299,792 km/s
What is the total number of national parks in the United States?
63 national parks (as of 2023)
How many litres can a camel drink?
113 litres
How many taste buds does the average human tongue have?
Around 10,000 taste buds
Estimate the number of active volcanoes on Earth.
About 1,500 active volcanoes
How many elements are there in the Periodic Table?
118 elements
How many time zones are there in Russia?
11 time zones
What is the depth of the deepest known point in Earth's oceans, the Challenger Deep, in meters?
Approximately 10,928 meters