Question 1 / 10
What is the most abundant gas in Earth's atmosphere?
Nitrogen makes up approximately 78% of Earth's atmosphere, while oxygen accounts for about 21%.
Question 2 / 10
Which planet is known as the "Red Planet"?
Mars gets its reddish appearance from iron oxide (rust) on its surface.
Question 3 / 10
What is the chemical symbol for Gold?
The symbol 'Au' comes from the Latin word for gold, 'aurum'.
Question 4 / 10
What is the standard unit of electrical resistance?
The Ohm is named after German physicist Georg Simon Ohm.
Question 5 / 10
What is the chemical formula for water?
H2O consists of two hydrogen atoms and one oxygen atom.
Question 6 / 10
Who developed the theory of relativity?
Einstein published his theory of general relativity in 1915.
Question 7 / 10
What is the largest organ in the human body?
The skin covers about 20 square feet on an average adult.
Question 8 / 10
Which part of the cell is known as the powerhouse?
Mitochondria generate most of the cell's supply of adenosine triphosphate (ATP).
Question 9 / 10
What is the boiling point of water in Celsius?
Standard atmospheric pressure at sea level is required for this exact boiling point.
Question 10 / 10
What force keeps us on the ground?
Gravity is the universal force of attraction between all matter.
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