If you trust the process,
the process will trust you.
Deep-dive interactive study guides with quizzes, flashcards, diagrams, and worked examples. Made for the way your brain actually learns.
Read a guide, log the hours.
Volunteer to read through a guide and review it for accuracy. Every hour you read counts toward IHHS community service. Pick a guide you actually care about and we'll log the time.
Just added
Chemical Bonding: Ionic, Covalent, and Metallic
A heavily visual deep-dive on the bonding unit: what electrons do in ionic, polar covalent, nonpolar covalent, and metallic bonds; electronegativity and ΔEN; Lewis structures with the duet and octet rules; single, double, and triple bonds; bond energy; VSEPR shapes and molecular polarity; the electron sea and conductors; paper chromatography; and the identify-the-unknowns bonding lab.
APUSH Unit 3: Revolution and the New Republic
A heavily visual deep-dive on Period 3 (1754-1800): the French and Indian War, Britain's new taxes and the colonial resistance, Enlightenment ideas, the Revolution, the Articles of Confederation, the Constitution and Bill of Rights, Washington and Hamilton, the first political parties, and the Election of 1800.
APUSH Unit 2: The American Colonies
A heavily visual deep-dive on Period 2 (1607-1754): why four European powers colonized differently, Chesapeake vs New England, the three colonial regions, the triangular trade and mercantilism, native relations, the shift from servants to slavery, and the Great Awakening and Enlightenment.
13 Colonies Map Lab
A drag-and-drop practice lab for the 13 British Colonies map test: place every colony, starred settlement, and geographic feature, then drill the regions, the Fall Line, and Anglicization.
APUSH Unit 1: Native People and Exploration
A heavily visual deep-dive on Period 1 (1491-1607): native societies before contact, why Europe sailed, Columbus and the Columbian Exchange, Spanish conquest and labor systems, and the five rival nations that claimed America.
Spanish II Final Study Guide
Section-by-section walkthrough of the Spanish II final: subject pronouns, numbers, present tense regular and irregular, question words, ir, ser vs estar, tener idioms, present progressive, preterite (regular and irregular: i/j/u/v stems, dar, ver, ser/ir, oír, -car/-gar/-zar), imperfect, preterite vs imperfect, and reading comprehension. Spanish in Spanish, explanations in English.
Request a study guide
Tell us the topic and what's confusing. We'll build a full deep-dive guide and add it to the library.