Afterhours- A&E Study Hub

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Afterhours- A&E Study Hub
302 learning resources

High-school and college study library

Choose a subject. Start learning.

Open complete lecture collections and free textbooks by subject. No app controls are required.

Choose Free E-Books for complete textbooks, or tap a subject for direct lecture files and teacher collections.

PDF

Open-access library

Free E-Books

Complete textbooks from OpenStax, Siyavula, CK-12 and independent open-book publishers

Every book opens on its official publisher page, where PDF, EPUB or online-reading options are available. No copied commercial textbooks are hosted here.

Physical Science

Statistics and Probability

Grammar, Reading & Writing

  • Writing Guide with Handbook OpenStax
    Open & download
  • Writing for Success — Complete PDF BCcampus Open Education
    Download PDF
  • Writing for Success University of Minnesota Open Textbook Library
    Open & download
  • College ESL Writers: Applied Grammar and Composing Strategies Open Textbook Library · PDF and Word
    Open & download

U.S. & World History

  • U.S. History OpenStax · Complete textbook
    Open & download
  • The American Yawp — Volume I: Before 1877 Stanford University Press · Open textbook
    Download PDF
  • The American Yawp — Volume II: After 1877 Stanford University Press · Open textbook
    Download PDF
  • World History, Volume 1: To 1500 OpenStax
    Open & download
  • World History, Volume 2: From 1400 OpenStax
    Open & download
  • World History: Cultures, States and Societies to 1500 University of North Georgia Press
    Download PDF
DNA

Science

Biology

Cells, genetics, evolution and living systems

Afterhours- A&E Study Hub · aligned to OpenStax Biology 2e

Complete Biology PowerPoints

Thirteen full teaching decks with 12 slides per chapter, worked applications, review questions and instructor notes. Files download directly from this public app.

Download all

Verified teacher and university collections

More complete lecture resources

Open the original source page to view or download its lecture notes, PDFs and PowerPoints.

Science

Chemistry

Matter, atoms, bonding and reactions

Lumen Learning

Chemistry Lecture Presentations

Downloadable teacher presentations covering matter, atoms, naming, reactions, gases, energy and bonding.

Source page

Verified teacher and university collections

More complete lecture resources

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F

Science

Physics

Motion, forces, energy, waves and electricity

Mr. Wright · Andrews University

High School Physics PowerPoints

Fourteen downloadable units from kinematics and forces through waves, electricity, nuclear physics and relativity.

Source page

Mr. Wright · Andrews University

College Physics PowerPoints

Twelve downloadable OpenStax-aligned lecture decks covering the full introductory college sequence.

Source page

Verified teacher and university collections

More complete lecture resources

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Science

Earth & Space Science

Geology, climate, planets, stars and galaxies

Prof. Puwal · Oakland University

Earth Science & Geology PowerPoints

Earth formation, interior, plate tectonics, rocks, volcanoes, earthquakes, oceans, glaciers and climate.

Source page

Prof. Puwal · Macomb Community College

Astronomy PowerPoints — ASTR 1030/1040

Eighteen chapters from sky cycles and telescopes through planets, stars, black holes, galaxies and cosmology.

Source page

Verified teacher and university collections

More complete lecture resources

Open the original source page to view or download its lecture notes, PDFs and PowerPoints.

  • Mr. E Science — Earth and Space Science PowerPoints
x

Mathematics

Algebra I

Expressions, equations, graphs and functions

Lumen Learning

Complete College Algebra PowerPoints

Seventeen directly downloadable modules from algebra essentials through functions, systems, conics and probability.

Source page

Mathematics

Algebra II

Polynomials, logarithms, matrices and sequences

Mr. Wright · Andrews University

Complete Algebra II PowerPoints

Twelve downloadable chapters covering linear systems, quadratics, polynomials, probability, statistics and trigonometry.

Source page

Verified teacher and university collections

More complete lecture resources

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Mathematics

Geometry & Trigonometry

Proofs, transformations, circles and trigonometry

Mr. Wright · Andrews University

Geometry PowerPoints

Twelve downloadable units: proofs, lines, transformations, triangles, similarity, trigonometry, circles, area and volume.

Source page

Mr. Wright · Andrews University

Precalculus & Trigonometry PowerPoints

Functions, analytic trigonometry, conics, vectors, matrices, sequences and an introduction to calculus.

Source page

Verified teacher and university collections

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σ

Mathematics

Statistics & Probability

Data, probability, distributions and inference

Afterhours- A&E Study Hub · hosted inside this app

Complete Statistics & Probability PowerPoints

Eleven original, editable lecture decks. These files download directly from this public app with no outside login or file server.

Download all
01

Technology

Computer Science

Algorithms, memory, data structures and computing

Verified teacher and university collections

More complete lecture resources

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Teach Computing · National Centre for Computing Education

GCSE Computer Science teaching resources

Free Key Stage 4 curriculum with lesson sequences, teacher guides, assessments and downloadable classroom materials.

Open curriculum
  • Teach Computing — Complete GCSE Computer Science Curriculum
  • Teach Computing — GCSE Computer Systems Unit
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Technology

Programming

Python, functions, data, files and databases

Harvard OpenCourseWare

CS50 Introduction to Programming with Python

Lecture notes and slide presentations for functions, conditionals, loops, exceptions, libraries, testing and files.

Source page

University of Michigan · Charles Severance

Python for Everybody Lecture Slides

Sixteen directly downloadable lecture decks covering Python basics through web services, databases and data visualization.

Source page

Verified teacher and university collections

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  • University of Toronto — Foundations of Computer Science
  • Lumisource — AP Computer Science A Review

Teach Computing · GCSE Programming

Programming sequence and downloadable materials

A structured GCSE sequence beginning with translators, sequence, variables, input and flowcharts.

Open sequence
  • Teach Computing — Programming Part 1: Sequence
H

Social Studies

U.S. History & World History

Complete textbooks, primary sources, lessons and full-year courses

High-school U.S. history

Complete U.S. History Courses

From Indigenous societies and colonization through the Revolution, Civil War, industrialization, world wars, civil rights and modern America.

  • USHistory.org — 60 Units and 400 Free Chapters
  • Khan Academy — Complete U.S. History Course
  • University of Houston — Digital History Lessons and Primary Sources

High-school world history

Complete World History Courses

Ancient civilizations through the contemporary world, with global connections, primary sources, videos, readings and practice activities.

  • OER Project — Full-Year World History Courses
  • Khan Academy — Complete World History Course
  • OER Project — Big History Self-Directed Course

Free teacher-created U.S. history materials

Teacher U.S. History Lecture Notes

Chapter-by-chapter lecture notes, downloadable PowerPoints, review sheets and classroom presentations from working history teachers.

Free teacher-created world history materials

Teacher World History Lecture Notes

Full-course lecture pages and downloadable classroom slides covering ancient civilizations through the modern world.

Aa

English Language Arts

Grammar, Reading & Writing

Complete grammar lessons, reading strategies and composition courses

University writing labs and open courses

Complete Grammar Lessons

Structured lessons covering parts of speech, sentence structure, punctuation, agreement, usage and editing practice.

  • Purdue OWL — Complete Grammar Lessons and Handouts
  • Excelsior OWL — Grammar Essentials, Quizzes and Practice
  • Khan Academy — Complete Grammar Course
  • Quill — Free Interactive Grammar and Sentence Writing

Free reading instruction

Reading Comprehension Lessons

Active reading, previewing, annotating, vocabulary, inference, paraphrasing, summarizing, analysis and synthesis.

  • Excelsior University — Online Reading Comprehension Lab
  • Lumen Learning — Reading Strategies and Critical Reading

Free composition courses

Writing and Composition Lectures

Step-by-step instruction for thesis statements, paragraphs, essays, argument, drafting, revision and proofreading.

  • Excelsior OWL — Complete Writing Process
  • Purdue OWL — General and Academic Writing Lessons
  • Lumen Learning — English Composition I Full Course
SAT

Test Preparation

SAT Preparation

Math, reading, writing and practice resources

Verified teacher and university collections

More complete lecture resources

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College Board and Khan Academy · Current Digital SAT

Free SAT tests, notes and question banks

Official current-format practice for Math and Reading/Writing, including full-length digital and downloadable paper tests.

Official SAT practice