This city is the capital of Italy and home to ancient landmarks like the Colosseum.
What is Rome?
The process by which plants make their own food using sunlight.
What is photosynthesis?
The value of this mathematical constant is approximately 3.14159.
What is pi?
This person is credited with co-founding Microsoft.
Who is Bill Gates?
This physicist is famous for his theory of relativity and the equation E=mc².
Who is Albert Einstein?
This river, the longest in the world, flows through northeastern Africa.
What is the Nile?
The powerhouse of the cell, responsible for producing energy.
What is the mitochondria?
This is the formula to calculate the area of a rectangle.
What is length times width?
This device, introduced by Apple in 2007, revolutionized the smartphone industry.
What is the iPhone?
This British monarch ruled for over 70 years, making her the longest-reigning queen in British history.
Who is Queen Elizabeth II?
This country is home to the Great Wall and the Forbidden City.
What is China?
This is the chemical element represented by the symbol 'O'.
What is oxygen?
The sum of the angles in a triangle always equals this number of degrees.
What is 180 degrees?
This search engine is the most widely used in the world and was founded in 1998.
What is Google?
This civil rights leader delivered the famous “I Have a Dream” speech in 1963.
Who is Martin Luther King Jr.?
This is the height of the tallest mountain from sea level (within 100m).
What is 8848m?
This is the closest planet to the Sun in our solar system.
What is Mercury?
The result of multiplying a number by itself is called this.
What is a square?
The smallest iPod that was commercially available.
What is iPod Shuffle?
This inventor is credited with creating the first practical electric light bulb.
Who is Thomas Edison?
This ocean is the largest on Earth, covering more than 60 million square miles.
What is the Pacific Ocean?
This force pulls objects of mass towards each other.
What is gravity?
This branch of mathematics deals with shapes, angles, and dimensions.
What is Geometry?
This social media platform, founded in 2004, has over 2 billion active users.
What is Facebook?
This number is amount of years Mr Arnold has lived on planet earth.
What is 31?