🧪 Chemistry
This is the chemical symbol for water.
What is H₂O?
This force pulls objects toward Earth.
What is gravity?
This is the basic unit of life.
What is a cell?
This planet is known as the Red Planet.
What is Mars?
This is
π
rounded to two decimal places.
What is 3.14?
This is a testable explanation.
What is a hypothesis?
This is the smallest unit of data.
What is a bit?
This design principle focuses on keeping interfaces simple and uncluttered.
What is simplicity?
This element has atomic number 1.
What is hydrogen?
This unit measures electrical current.
What is the ampere?
This molecule carries genetic information.
What is DNA?
This atmospheric layer contains the ozone layer.
What is the stratosphere?
This graph shows trends over time.
What is a line graph?
This variable is intentionally changed.
What is the independent variable?
This data structure is FIFO.
What is a queue?
This accessibility guideline requires interfaces to be usable with keyboard-only navigation.
What is keyboard accessibility?
This bond involves the sharing of electrons.
What is a covalent bond?
This law states every action has an equal and opposite reaction.
What is Newton’s Third Law?
This process converts sunlight into chemical energy.
What is photosynthesis?
This rock type forms from cooled magma or lava.
What is igneous rock?
This measure represents the average.
What is the mean?
This experiment includes a control group.
What is a controlled experiment?
This sorting algorithm uses divide and conquer.
What is quicksort?
This UX metric measures how quickly new users can complete basic tasks.
What is time to proficiency?
This scale measures acidity and alkalinity.
What is the pH scale?
This equation relates energy and mass.
What is E = mc²?
This organelle is the powerhouse of the cell.
What is the mitochondrion/mitochondria?
This is the name of our galaxy.
What is the Milky Way?
This term describes data spread.
What is standard deviation?
This process evaluates research by experts.
What is peer review?
This notation describes time complexity.
What is Big-O notation?
This law states that decision time increases with the number of choices.
What is Hick’s Law?
This law states matter is neither created nor destroyed.
What is the Law of Conservation of Mass?
This principle explains resistance to changes in motion.
What is inertia?
This process produces two identical daughter cells.
What is mitosis?
This cycle moves water through Earth’s systems.
What is the water cycle?
This measures rate of change.
What is a derivative?
This term describes consistent results.
What is reliability?
This paradigm organizes code around objects.
What is object-oriented programming?
This UX practice involves observing real users interacting with a product.
What is usability testing?
This element is the standard reference for atomic mass units.
What is carbon?
This unit measures electrical resistance.
What is the ohm?
This macromolecule is made of amino acids.
What is a protein?
This scale measures earthquake magnitude.
What is the Richter scale?
This value splits a dataset in half.
What is the median?
This bias occurs when samples aren’t representative.
What is sampling bias?
This tree structure enables efficient searching.
What is a binary search tree?
This term measures how easily users can complete tasks in an interface.
What is usability?
This type of reaction releases energy, often in the form of heat.
What is an exothermic reaction?
This law relates voltage, current, and resistance.
What is Ohm’s Law?
This process allows cells to specialize into different types with specific functions.
What is cell differentiation?
This layer of Earth lies directly beneath the crust.
What is the mantle?
This symmetric distribution is bell-shaped.
What is a normal distribution?
This term describes experimental accuracy.
What is validity?
This occurs when two keys map to the same hash.
What is a collision?
This law states that users prefer familiar patterns over learning new ones.
What is Jakob’s Law?
This term describes a substance that speeds up a chemical reaction without being consumed.
What is a catalyst?
This unit measures electrical power.
What is the watt?
This brain region controls balance and coordination.
What is the cerebellum?
This process causes continents to move.
What is plate tectonics?
This theorem applies to right triangles.
What is the Pythagorean theorem?
This graph shows relationships between variables.
What is a scatter plot?
This structure uses nodes and edges.
What is a graph?
This theory explains overload when too much information is presented at once.
What is cognitive load theory?
This term describes the amount of a substance present in a given volume.
What is concentration?
This principle states that energy cannot be created or destroyed, only transformed.
What is the Law of Conservation of Energy?
This molecule is the primary energy currency of the cell.
What is ATP?
This dense stellar remnant forms after a supernova.
What is a neutron star?
This value appears most frequently in a data set.
What is the mode?
This term describes closeness to the true value.
What is accuracy?
This algorithm finds shortest paths in graphs.
What is Dijkstra’s algorithm?
This psychological rule suggests people can remember about 7 items at once.
What is Miller’s Law?
This pH value represents a neutral solution.
What is 7?
This fundamental force governs electric and magnetic interactions.
What is electromagnetism?
This evolutionary mechanism favors advantageous traits.
What is natural selection?
This force generated by Earth’s rotation affects wind and ocean currents.
What is the Coriolis effect?
This complexity grows logarithmically.
What is O(log n)?
This principle requires repeatable results.
What is reproducibility?
This concept describes a program’s ability to handle increased workload efficiently.
What is scalability?
This global standard defines accessibility guidelines for web content.
Web Content Accessibility Guidelines (WCAG)