Question Sets
Untimed practice sets. Take one here, or find them embedded right inside a course's concepts.
Pick a subject to see its topics.
Exam:
69 sets
High School (11–12)Heat Engines, the Second Law and EntropyBoard ExamIBA-Level
Ten questions on the second law: engines and their efficiency, a Carnot engine, a freezer, entropy, reversible processes and an impossible machine. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Entropy, Gibbs Energy and SpontaneityA-LevelAPBoard ExamIB
Ten questions on entropy, Gibbs energy and spontaneity. Untimed.
10 questions
High School (11–12)Permutations and CombinationsA-LevelBoard ExamIB
Ten questions on combinations. Untimed.
10 questions
High School (9–10)GeneralRespirationRespiratory SystemBoard ExamA-LevelIB
Ten questions on aerobic and anaerobic respiration and on breathing. Untimed.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralData StructuresA-LevelIB
Ten questions on stacks, queues, linked lists, trees and graphs. One asks you to find a mistake.
10 questions
High School (11–12)Laws of ThermodynamicsA-LevelAPBoard ExamIB
Ten questions on heat, work and the first law: signs of heat and work, a piston, a gas's internal energy, a cycle on a pressure-volume graph, Joule's paddle wheel and a free expansion. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Enthalpy and Hess's LawBoard ExamA-LevelIBAP
Ten questions on enthalpy, calorimetry and Hess's law. Untimed.
10 questions
High School (11–12)Permutations and CombinationsBoard ExamA-LevelIB
Ten questions on permutations. Untimed.
10 questions
High School (9–10)GeneralTransport Across the Cell MembraneBoard ExamA-LevelAPIB
Ten questions on diffusion, osmosis, turgor and plasmolysis, and active transport. One asks you to find a mistake. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralRecursionBoard ExamA-LevelIBPCEP (Python Institute)
Ten questions on recursion, base cases and the call stack. One asks you to find a mistake.
10 questions
High School (11–12)Calorimetry and Change of StateBoard ExamA-LevelAPIB
Ten questions on heat: warming water, mixing, a copper block in water, melting ice, steam burns, a kettle, a calorimeter and ice in a drink. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Shapes of Molecules and HybridisationBoard ExamA-LevelAPIB
Ten questions on VSEPR, sigma and pi bonds and hybridisation. Untimed.
10 questions
High School (11–12)Permutations and CombinationsBoard ExamA-LevelIB
Ten questions on the counting principles and factorials. Untimed.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralSearching and SortingBoard ExamA-LevelIB
Ten questions on linear search, binary search and sorting. One asks you to find a mistake.
10 questions
High School (11–12)Pressure and FluidsBoard ExamAPA-Level
Ten questions on pressure and floating: a swimming pool, a garage lift, a diver, a water barometer, three vessels of different shapes, a stone under water, an iceberg and a ship that sails into the sea. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Periodic TrendsGroups and FamiliesBoard ExamA-LevelIB
Ten questions on the trends across periods and down groups. Untimed.
10 questions
High School (9–10)GeneralTrigonometric IdentitiesBoard ExamA-LevelIB
Ten questions on special angles and identities. Untimed.
10 questions
High School (11–12)Elasticity and Mechanical Properties of SolidsBoard ExamA-Level
Ten questions on stress and strain: a crane rod, a hanging sign, a copper and a steel wire, Young's modulus from a laboratory test, the stress-strain curve and the largest load a wire can hold. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Electronic Configuration and ValencyQuantum Mechanical Model of the AtomBoard ExamA-LevelIB
Ten questions on matter waves, quantum numbers, nodes, the filling order and unpaired electrons. One asks you to choose a picture of orbital boxes. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Complex NumbersQuadratic EquationsBoard ExamA-LevelIB
Ten questions on modulus, conjugate, the Argand plane and complex roots. Untimed.
10 questions
High School (11–12)GravitationCircular MotionA-LevelBoard ExamIBAP
Ten questions on satellites: orbital speeds and periods, the energy of an orbit, geostationary satellites, weightlessness and a scale in a lift. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Light, Atomic Spectra and the Bohr ModelBoard ExamIBA-Level
Ten questions on waves, photons, the photoelectric effect, the hydrogen spectrum and Bohr's model. One asks you to choose a graph. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Complex NumbersBoard ExamA-LevelIB
Ten questions on i, the form a + ib and the four operations. Untimed.
10 questions
High School (11–12)GravitationWork, Energy and PowerBoard ExamA-LevelAPIB
Ten questions on field, potential and escape: field strength, a satellite's energy, lifting a payload, a hollow sphere, escape speeds, and a probe fired straight up. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Isotopes and IsobarsSubatomic Particles and Atomic ModelsBoard ExamA-Level
Ten questions on the electron, proton and neutron, Rutherford's nucleus and its size, isotopes and the average atomic mass. One asks you to choose a mass spectrum. Every answer has a worked solution that names the usual slip.
10 questions