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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:
176 sets
High School (11–12)Heat Engines, the Second Law and EntropyBoard ExamIBA-Level
Engines and Entropy: Think It Through

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.

StemPy LabStemPy Lab
10 questions
High School (11–12)Entropy, Gibbs Energy and SpontaneityA-LevelAPBoard ExamIB
Entropy, Gibbs Energy and Spontaneity: Practice Questions New

Ten questions on entropy, Gibbs energy and spontaneity. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)Permutations and CombinationsA-LevelBoard ExamIB
Combinations: Practice Questions New

Ten questions on combinations. Untimed.

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10 questions
High School (11–12)Chordates and VertebratesBoard Exam
Chordates: Review Questions New

Ten questions on chordates and the vertebrate classes. Untimed.

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10 questions
High School (11–12)High School (9–10)UndergraduateGeneralChemistry by ComputerData Analysis with pandasBoard Exam
The Periodic Table as Data: Concept Check New

Ten questions on tables, plots and trends in Python. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)Thermodynamic Processes and Specific Heats of GasesBoard Exam
Gas Processes: Test Yourself

Ten questions on gas processes: Mayer's relation, heating at steady pressure, isothermal and isochoric changes, and quick squeezes that heat a gas. Every answer has a worked solution that names the usual slip.

StemPy LabStemPy Lab
10 questions
High School (11–12)Enthalpy and Hess's LawBoard ExamA-LevelIBAP
Enthalpy and Hess's Law: Concept Check New

Ten questions on enthalpy, calorimetry and Hess's law. Untimed.

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10 questions
High School (11–12)Permutations and CombinationsBoard ExamA-LevelIB
Permutations: Concept Check New

Ten questions on permutations. Untimed.

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10 questions
High School (11–12)Non-chordatesBoard Exam
Animals Without a Backbone: Concept Check New

Ten questions on the non-chordate phyla. Untimed.

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10 questions
High School (11–12)High School (9–10)UndergraduateGeneralData Analysis with pandasBoard Exam
Data Analysis with pandas: Check Your Understanding

Ten questions on tables, missing values, groups, joins and log-log graphs. One asks you to find a mistake.

StemPy LabStemPy Lab
10 questions
High School (11–12)Laws of ThermodynamicsA-LevelAPBoard ExamIB
Work and the First Law: Concept Check

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.

StemPy LabStemPy Lab
10 questions
High School (11–12)Systems, Work, Heat and the First LawBoard Exam
Systems, Heat, Work and the First Law: Test Yourself New

Ten questions on systems, work, heat and the first law. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)Permutations and CombinationsBoard ExamA-LevelIB
The Fundamental Principle of Counting: Check Your Understanding New

Ten questions on the counting principles and factorials. Untimed.

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10 questions
High School (11–12)Basis of Animal ClassificationBoard Exam
How Animals Are Classified: Test Yourself New

Ten questions on the basis of animal classification. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralGraphs with matplotlibBoard Exam
Graphs with matplotlib: Check Your Understanding

Ten questions on drawing and choosing graphs. One asks you to find a mistake.

StemPy LabStemPy Lab
10 questions
High School (11–12)Heat TransferBoard ExamIB
Heat Transfer: Review Questions

Ten questions on heat transfer: a window, two rods joined end to end, the sea breeze, Stefan's and Wien's laws, and a cooling cup of soup. Every answer has a worked solution that names the usual slip.

StemPy LabStemPy Lab
10 questions
High School (11–12)Molecular Orbitals and Hydrogen BondsBoard Exam
Molecular Orbitals and Hydrogen Bonding: Practice Questions New

Ten questions on molecular orbitals, bond order, magnetism and hydrogen bonds. Untimed.

StemPy LabStemPy Lab
10 questions
High School (9–10)GeneralTrigonometric IdentitiesBoard ExamA-LevelIB
Special Angles and Trigonometric Identities: Concept Check New

Ten questions on special angles and identities. Untimed.

StemPy LabStemPy Lab
10 questions
High School (9–10)GeneralHeredity and InheritanceBoard Exam
How Traits Are Expressed, and Sex Determination: Review Questions New

Ten questions on genes, chromosomes and sex determination. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralNumPy ArraysBoard Exam
NumPy Arrays: Check Your Understanding

Ten questions on arrays, formulas on arrays, masks and tables. One asks you to find a mistake.

StemPy LabStemPy Lab
10 questions
High School (11–12)Calorimetry and Change of StateBoard ExamA-LevelAPIB
Specific Heat and Calorimetry: Review Questions

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.

StemPy LabStemPy Lab
10 questions
High School (11–12)Shapes of Molecules and HybridisationBoard ExamA-LevelAPIB
Shapes of Molecules: Concept Check New

Ten questions on VSEPR, sigma and pi bonds and hybridisation. Untimed.

StemPy LabStemPy Lab
10 questions
High School (9–10)GeneralTrigonometric RatiosBoard Exam
Trigonometric Ratios: Check Your Understanding New

Ten questions on the six ratios of an angle. Untimed.

StemPy LabStemPy Lab
10 questions
High School (9–10)GeneralHeredity and InheritanceBoard Exam
Variation and Mendel's Experiments: Test Yourself New

Ten questions on variation and Mendel's crosses. Untimed.

StemPy LabStemPy Lab
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralFiles and Data FormatsBoard ExamPCAP (Python Institute)
Files and Data Formats: Check Your Understanding

Ten questions on text files, CSV and JSON. One asks you to find a mistake.

StemPy LabStemPy Lab
10 questions
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