This bird is the only one known to fly backward.
What is Hummingbird?
This artist sculpted the Statue of David.
Who is Michelangelo?
Pencils are commonly made from wood and this material, often mistaken for lead.
What is graphite?
The prefix "tele-" comes from a Greek word meaning this.
What is far?
Trumpet, Trombone, Tuba, and French Horn all belong to this category of instruments.
What is brass?
This marine animal has three hearts and blue blood.
What is Octopus?
This Renaissance artist designed flying machines centuries before airplanes existed.
Who is Leonardo da Vinci?
Most window glass is primarily made from this material.
What is sand?
The English word "muscle" comes from a Latin word meaning this animal, named because flexing muscles were thought to resemble one moving beneath the skin.
What is a mouse?
This term categorizes all two-dimensional shapes that are constructed entirely of straight line segments connected to form a closed path.
What are Polygons?
This shark is the largest fish species in the world.
What is Whale Shark?
This term describes the use of vanishing points and converging lines to represent three-dimensional space on a flat surface.
What is perspective?
The Statue of Liberty's outer skin is made of this metal which changed color over time due to uneven weather patterns.
What is copper?
The word "panic" derives from the name of this Greek god, said to inspire sudden fear in travelers.
Who is Pan?
Helium, neon, argon, and xenon belong to this category.
What is noble gases?
Though it looks like it crossed paths with a zebra, this elusive, striped mammal of the Congo rainforest is actually the only living relative of the giraffe.
What is Okapi?
This artist painted "The Birth of Venus".
Who is Sandro Botticelli?
This everyday item is actually made from a blend of 75% cotton and 25% linen, rather than wood pulp, like one would expect.
What is paper money?
The word "salary" derives from the Latin word for this mineral once used in trade.
What is salt?
Camels, Llamas, Alpacas, and Vicunas are all categorized as part of this family.
What is Camelidae?
British zoologist George Shaw looked for stitches when he first saw this mammal in 1799, thinking he was being tricked.
What is Platypus?
The Renaissance technique of using light and shadow to create three-dimensional form is known by this Italian term.
What is chiaroscuro?
Most modern computer chips are made primarily from this element.
What is silicon?
The word "robot" comes from a Czech word meaning this type of labor.
What is forced labor?
Octopuses, Squid, and Cuttlefish are categorized as a part of this family.
What is Cephalopod?