TEAS Science Practice Questions
44 scored questions in 60 minutes — the largest section on the ATI TEAS 7.
Science is where most TEAS scores are won or lost. Anatomy & Physiology alone is about 18 of the 44 scored questions, followed by biology, chemistry and scientific reasoning. Pick a topic below, try the free questions, and read the step-by-step explanations.
Take the free full-length TEAS Science practice test →1,624 Science questions in the full AceTEAS question bank.
Human Anatomy & Physiology
- General Orientation of Human AnatomyDirectional terms: superior/inferior, anterior/posterior, medial/lateral, proximal/distal5 free questions →
- Respiratory SystemAirway path: nasal cavity → pharynx → larynx → trachea → bronchi → bronchioles → alveoli5 free questions →
- Cardiovascular SystemBlood flow through the four chambers and valves5 free questions →
- Digestive SystemOrder of the GI tract and where absorption happens5 free questions →
- Nervous SystemCentral vs. peripheral nervous system; somatic vs. autonomic5 free questions →
- Muscular SystemSkeletal, smooth and cardiac muscle — voluntary vs. involuntary5 free questions →
- Reproductive SystemMale and female reproductive anatomy5 free questions →
- Integumentary SystemEpidermis, dermis and hypodermis5 free questions →
- Endocrine SystemMajor glands: pituitary, thyroid, adrenal, pancreas, gonads5 free questions →
- Urinary SystemPath of urine: kidney → ureter → bladder → urethra5 free questions →
- Immune SystemInnate vs. adaptive immunity5 free questions →
- Skeletal SystemFunctions: support, protection, blood cell production, mineral storage5 free questions →
Biology
- Cell Structure, Function & OrganizationNucleus, mitochondria, ribosomes, ER, Golgi, lysosomes5 free questions →
- DNA, RNA & Protein SynthesisDNA → mRNA (transcription, nucleus) → protein (translation, ribosome)5 free questions →
- Biological MacromoleculesMonomers: monosaccharides, fatty acids/glycerol, amino acids, nucleotides5 free questions →
- Mendel's Laws & GeneticsDominant vs. recessive; homozygous vs. heterozygous5 free questions →
- Microorganisms & DiseaseBacteria vs. viruses — and why antibiotics do not treat viral infections5 free questions →
Chemistry
- Basic Atomic StructureAtomic number, mass number and isotopes5 free questions →
- Properties & Changes of MatterSolid, liquid, gas and phase changes (melting, sublimation, condensation…)5 free questions →
- Chemical ReactionsReactants and products; balancing equations5 free questions →
- Reaction Rates & ConditionsEffect of temperature, concentration and surface area5 free questions →
- Properties of SolutionsSolute vs. solvent; saturated vs. unsaturated5 free questions →
- Acids & BasespH scale: acidic, neutral, basic5 free questions →
Scientific Reasoning
- The Scientific MethodIndependent, dependent and controlled variables5 free questions →
- Logic & Evidence in ScienceCorrelation vs. causation5 free questions →
- Scientific Measurement & ToolsMetric prefixes and unit conversions5 free questions →
- Predicting RelationshipsCause-and-effect relationships in experiments5 free questions →
Ready to see where you stand?
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