This instrument, with 88 keys, is both a string and percussion instrument.
What is the piano?
Historians rely on these—letters, photographs, diaries, or artifacts—to construct accounts of the past.
What are primary sources?
This scientist’s theory of evolution changed how humans understand life on Earth and illustrates how knowledge can evolve over time.
Who was Charles Darwin?
This discipline studies societies, cultures, and human interactions over time and place.
What is anthropology?
This number, approximately 3.14159, is essential in calculations involving circles.
What is pi?
This Spanish artist painted Guernica, a mural protesting the horrors of war.
Who was Pablo Picasso?
The Treaty of Versailles ended this major global conflict in 1919.
What was World War I?
This process, often associated with hypothesis testing and controlled experiments, is central to producing scientific knowledge.
What is Scientific Method?
Abraham Maslow is best known for his hierarchy of these.
What are needs?
This term describes a statement in mathematics that has been shown to be universally true through logical reasoning.
What is a proof?
The question “Can art be objectively good or bad?” connects to this TOK concept that judgments depend on culture and experience.
What is subjectivity (or perspective)?
The idea that historical events and figures should be understood within their own specific time period's context, not judged by modern standards.
What is (historical relativism)?
The double-helix structure of this molecule was discovered by Watson and Crick in 1953.
What is DNA?
A psychologist using surveys and statistics to study behavior is using this type of data collection.
What is quantitative research?
This 20th-century art movement, led by Salvador Dalí, explored dreamlike and irrational imagery.
What is Surrealism?
The phrase “history is written by the victors” reflects this TOK concept that perspectives influence knowledge.
What is bias (or perspective)?
When different laboratories repeat the same experiment to see if results match, they are testing this key scientific concept.
What is reproducibility (or reliability)?
This TOK issue arises because human behavior is complex and cannot always be predicted or controlled.
What is uncertainty (or unpredictability)?
The discovery of non-Euclidean geometry showed that mathematical systems depend on starting assumptions, also known as these.
What are axioms (or postulates)?
When a painting or performance provokes emotion in its viewers, it highlights the role of this group in completing the artistic experience.
Who is the audience?
The study of the methods used by historians in developing history as an academic discipline is known as this.
What is historiography?
The shift from Newtonian physics to Einstein’s theory of relativity demonstrates that scientific knowledge is often this—open to change and refinement.
What is provisional (or self-correcting)?
This researcher’s experiments with dogs led to the discovery of classical conditioning.
Who is Ivan Pavlov?
This mathematician’s “last theorem” was famously proven by Andrew Wiles in 1994.
Who is Pierre de Fermat?