Science
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100
Hardest natural substance on Earth
Diamond
100
Solve for x: 3x - 12 = 0
x = 4
100
Inventor of the telephone
Alexander Graham Bell
100
Largest mammal on Earth
The blue whale
100
Who's that Pokemon
corsola
200
Number of elements on the periodic table
118
200
10x - 0 = 10x
x=1
200
Year that World War 2 ended
1945
200
Number of countries in Europe
50
300
Temperature of absolute zero? (Give in Fahrenheit or Celsius)
The lowest possible temperature: -459.67 degrees Fahrenheit, or -273.15 degrees Celsius.
300
2(m + 6) = 48
m = 18
300
Year the Titanic sunk
1912
300
Inventor of scissors
Leonardo da Vinci
400
Element that will melt if you hold it in your hand and can bite
Gallium
400
2(x + 13) = 34
x=4
400
Historic event that happened on July 20th, 1969
Moon Landing
400
Country that has the highest number of official languages in the world
Zimbabwe
500
The 2nd smallest bone in the human body
Incus
500
9x - 21 = 6x
x=7
500
Year the Berlin Wall fell
1989
500
River that has the largest water discharge in the world
The Amazon river