Study Guides
Free, high-quality study guides created by STEMinate members to help students master complex topics.
Biology
Explore the living world through detailed study guides
The Eye
Created by Mary Loh
A comprehensive study guide covering the structure and function of the human eye, including stimulus and response, internal eye anatomy, accommodation, pupil reflex, and how focused images are produced on the retina.
Topics Covered
The Human Brain
Created by Sanvi & Edha Talwar
Your ultimate brain map! Covers all major brain divisions, neurons and neurotransmitters, memory and learning, reflexes, brain protection, and exam prep questions with memory hacks.
Topics Covered
Chemistry
Master chemical reactions and stoichiometry
AP Chemistry Unit 4: Chemical Reactions
Created by Mary Loh
A thorough chemistry study guide covering physical vs. chemical changes, balancing equations, types of reactions (synthesis, decomposition, single & double replacement, combustion), net ionic equations, solubility rules, precipitation, acid-base reactions, gas-forming reactions, redox, and stoichiometry with titrations.
Topics Covered
AP Chemistry Unit 2: Molecular & Ionic Compound Structure and Properties
Created by Saanvi & Edha Talwar
Covers chemical bonding (ionic, covalent, metallic), ions, Lewis structures, VSEPR theory, molecular geometry, polarity, intermolecular forces, lattice energy, Coulomb's law, and the relationship between structure and physical properties.
Topics Covered