Are You Smarter Than A 10-year Old?

Explanation
The American flag has 50 stars.

Explanation
The correct answer is Thames. The Thames is a major river in England that runs through London. It is the longest river entirely in England and has played a significant role in the history and development of the city. The river has been an important transportation route, a source of water, and a symbol of London's identity. Many iconic landmarks, such as the Tower Bridge and the Houses of Parliament, are located along the banks of the Thames.

Explanation
In April 2010, a volcano erupted in Iceland, causing hundreds of flights to be cancelled. The eruption occurred at Eyjafjallajökull volcano, which spewed a massive ash cloud into the atmosphere. This ash cloud posed a significant risk to aircraft as it can damage engines and reduce visibility. As a result, many flights in and out of Iceland, as well as flights across Europe, were cancelled or diverted to avoid the ash cloud. The eruption had a widespread impact on air travel, leading to significant disruptions and financial losses for airlines and passengers.

Explanation
There are 1000 grams in a kilogram.

Explanation
Chlorophyll is the correct answer because it is the pigment found in all plants that gives them their green color. It is essential for photosynthesis, the process by which plants convert sunlight into energy. Chlorophyll absorbs light energy and uses it to produce glucose and oxygen, which are vital for the plant's growth and survival. Without chlorophyll, plants would not be able to carry out photosynthesis and would not be green.

Explanation
Palaeontology is the study of prehistoric life, which includes the study of fossils and ancient organisms that lived on Earth millions of years ago. This field of science focuses on understanding the evolution and diversity of life forms that existed before the appearance of humans. It involves analyzing fossils, their preservation, and the geological context in which they are found to reconstruct the history of life on Earth.

Explanation
The name "hippopotamus" comes from the Greek word meaning "water horse". This is because the word "hippo" means "horse" in Greek and "potamus" means "water". Therefore, the name "hippopotamus" translates to "water horse" in English.

Explanation
In 2010, the soccer World Cup was hosted in South Africa.

Explanation
Melanin is the correct answer because it is the pigment in the human body that determines hair and skin color. Melanin is produced by specialized cells called melanocytes, and it is responsible for the range of colors seen in different individuals. The amount and type of melanin present in the skin and hair determine the specific coloration.

Explanation
Cling film, also known as plastic wrap, was invented in the 1950s. During this decade, advancements in technology and the development of new materials led to the creation of this thin, transparent plastic film that can cling to surfaces and keep food fresh. The invention of cling film revolutionized food storage and preservation methods, providing a convenient and effective way to wrap and protect food items.