A
What is the largest continent on Earth by both land area and population?
Asia
What key chemical element with atomic number 3 is used extensively in rechargeable batteries?
Lithium
What is the primary color of a traditional stop sign?
Red
What European capital city is famous for Prado Museum and the Royal Palace?
Madrid
What is the term for a large mass of ice that moves slowly over land?
Glacier
What reptile is native to the southeastern United States and China, known for its broad snout?
Alligator
What iconic Renaissance artwork by Leonardo da Vinci features Jesus and his disciples?
Last Supper
What type of rock is formed from the cooling and solidification of molten magma?
Rhyolite (an igneous rock starting with R)
What is the official currency of Mexico?
Mexican Peso
What carbohydrate stored in animal liver and muscle tissues acts as a secondary energy reserve?
Glycogen
What red fruit is famously associated with Isaac Newton's theory of gravity?
Apple
What is the medical term for white blood cells, which play a crucial role in the immune system?
Leukocytes
What process converts sugar into energy in living organisms in the presence of oxygen?
Respiration
What layer of the Earth's atmosphere lies directly above the stratosphere and below the thermosphere?
Mesosphere
What is the world's largest island that is not a continent?
Greenland
What chemical element has the atomic number 18 and is the third most abundant gas in Earth's atmosphere?
Argon
Which Northern European country bordering the Baltic Sea has its capital at Riga?
Latvia
What Dutch master painter created The Night Watch in 1642?
Rembrandt
What island nation off the southeast coast of Africa is the world's fourth-largest island?
Madagascar
What is the capital city of Botswana?
Gaborone
What condition refers to the inability to perceive or recognize musical tones or melodies?
Amusia
What term describes the optical phenomenon where light bends through layers of air of varying temperatures to create an image?
Looming (or Looming / Looming effect)
What physical principle states that any fluid dynamic pressure drops as fluid velocity increases?
Reynolds number (or Raleigh scattering for sky light)
Which medical term describes the muscular middle layer of the heart wall?
Myocardium
What anatomical term refers to the cluster of capillaries in the kidney that filters blood?
Glomerulus