Anatomical Orientation, Organization, and Homeostasis
Use body directions, planes, and cavities.
About 16 minutes · 7-question quiz
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ATI TEAS 7
TEAS Science Study Guide
Build your understanding of body systems, cells, chemistry, and scientific reasoning. Start with a lesson, review the key ideas, then take the lesson quiz.
30 lessons · Reading status stays on this device. Sign in to save lesson quiz results to your account.
One full topic is free across all four subjects—not one per subject. Opening a topic uses that allowance; it stays free to revisit. Other topics offer a preview. Active trials and Premium unlock all topics.
30 lessons shown
Body foundations
5 lessonsCardiovascular System
Trace blood through the heart, lungs, and body.
About 18 minutes · 11-question quiz
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Respiratory System and Gas Exchange
Trace air to the alveoli.
About 17 minutes · 7-question quiz
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Digestive System and Nutrient Absorption
Trace food and accessory secretions.
About 17 minutes · 7-question quiz
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Nervous System and Neural Signaling
Compare nervous system divisions.
About 18 minutes · 10-question quiz
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Support & movement
3 lessonsSkeleton and Bone Structure
Compare axial and appendicular bones.
About 22 minutes · 7-question quiz
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Joints and Movement
Classify the three structural joint types.
About 18 minutes · 7-question quiz
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Muscles and Contraction
Compare the three muscle tissue types.
About 23 minutes · 7-question quiz
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Regulation & defense
5 lessonsEndocrine System and Hormonal Control
Match major glands, hormones, targets, and effects.
About 18 minutes · 10-question quiz
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Urinary System and Fluid Balance
Trace blood, filtrate, and urine routes.
About 18 minutes · 11-question quiz
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Immune and Lymphatic Systems
Compare innate and adaptive defenses.
About 18 minutes · 10-question quiz
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Integumentary System and Thermoregulation
Compare the epidermis and dermis.
About 15 minutes · 7-question quiz
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Male and Female Reproductive Systems
Trace sperm and oocyte pathways.
About 18 minutes · 11-question quiz
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Cells, genes & microorganisms
6 lessonsCell Structure, Membranes, and Transport
Identify major cell structures and their jobs.
About 18 minutes · 10-question quiz
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Cell Cycle, Mitosis, and Meiosis
Put the main cell-cycle stages in order.
About 17 minutes · 7-question quiz
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DNA, RNA, and Protein Synthesis
Relate DNA, genes, chromosomes, and proteins.
About 18 minutes · 10-question quiz
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Mendelian Genetics and Inheritance
Tell genotype from phenotype.
About 18 minutes · 10-question quiz
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Biological Macromolecules and Enzymes
Match each macromolecule group to its building blocks and jobs.
About 17 minutes · 7-question quiz
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Microorganisms, Disease, and Transmission
Compare bacteria, viruses, fungi, and protozoa.
About 16 minutes · 7-question quiz
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Chemistry foundations
4 lessonsAtoms, Elements, Ions, and the Periodic Table
Identify protons, neutrons, and electrons.
About 22 minutes · 11-question quiz
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Chemical Bonds, Formulas, and Molecules
Compare ionic, covalent, and hydrogen interactions.
About 21 minutes · 8-question quiz
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Properties and Changes of Matter
Classify elements, compounds, and mixtures.
About 21 minutes · 8-question quiz
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Chemical Reactions and Equations
Identify reactants and products.
About 22 minutes · 11-question quiz
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Solutions & reactions
3 lessonsReaction Rates, Equilibrium, and Catalysts
Use collision ideas to predict rate changes.
About 20 minutes · 8-question quiz
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Solutions, Concentration, and Solubility
Identify solute and solvent.
About 21 minutes · 8-question quiz
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Acids, Bases, and pH
Recognize acids and bases.
About 21 minutes · 8-question quiz
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Scientific investigation
4 lessonsScientific Measurement, Units, and Tools
Match quantities with tools and SI units.
About 20 minutes · 8-question quiz
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Experimental Design and the Scientific Method
Write a testable hypothesis.
About 22 minutes · 11-question quiz
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Data, Evidence, and Scientific Explanations
Tell observation from inference and conclusion.
About 21 minutes · 8-question quiz
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Predicting Relationships and Outcomes
Identify direct, inverse, or no clear relationship.
About 18 minutes · 6-question quiz
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