Science & Tech
World Wonders
Famous Inventors
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Flags
100

The abbreviation "CPU" in computing stands for these three words.

Answer: What is Central Processing Unit?

100

Stretching over 13,000 miles across Asia, this ancient structure was built to protect against invasions.

Answer: What is the Great Wall of China?

100

This American inventor is widely credited with inventing the practical incandescent light bulb.

Answer: Who is Thomas Edison?

100

The browning of sugar through heat, resulting in a characteristic flavor and color, is known by this term

Answer: What is caramelization?

100

The national flag of this Asian country is completely red with a single yellow star in the top left corner.

Answer: What is Vietnam?

300

This planet in our solar system is commonly known as the “Red Planet.”

Answer: What is Mars?

300

This ancient structure in Egypt was built as a tomb for Pharaoh Khufu.

Answer: What is the Great Pyramid of Giza?

300

In 1876, this Scottish-born inventor received a patent for the invention of the telephone.

Answer: Who is Alexander Graham Bell?

300

The fermentation that gives bread its airy texture is mainly caused by this type of microorganism.

Answer: What is yeast?

300

This African country has a flag with a black star in the center.

Answer: What is Ghana?

500

In 1957, this Soviet satellite became the first artificial object to orbit the Earth.

Answer: What is Sputnik?

500

This South American statue overlooks the city of Rio de Janeiro.

Answer: What is Christ the Redeemer?

500

In the early 20th century, this scientist introduced the theory of relativity.

Who is Albert Einstein?

500

This protein found in wheat is responsible for giving bread its structure and chewiness.

Answer: What is gluten?

500

This is the only country in the world whose national flag is not rectangular in shape.

Answer: What is Nepal?

1000

Electrical resistance is measured in this SI unit.

What is Ohm?

1000

Famous for its rock-cut architecture, this ancient city in Jordan is also known as the "Rose City".

Answer: What is Petra?

1000

In 1941, this German engineer built the Z3, recognized as the world’s first programmable, fully automatic digital computer.


Answer: Who is Konrad Zuse?

1000

This chemical compound is responsible for the spicy heat in hot peppers.

Answer: What is capsaicin?

1000

The flag of this European country features three vertical stripes: black, yellow, and red.

Answer: What is Belgium?