Pro upgrade

18,000+ lessons. Every one unlocked.

Skip per-lesson pricing. Pro unlocks every interactive lesson on Best School Tools across every subject and grade in one subscription.

Get Pro $29.99 / month · cancel any time
My class is hooked, my prep time is halved, and my students are so engaged they don’t want lessons to end.
Sarah Patel Grade 9 teacher · Austin, TX
Subjects
19
Grades
Grade 9
AI tokens
1M / mo

Lesson Library

Browse interactive lessons across every grade and subject.

Buy 2, get 1 free. Auto-applied at checkout.

12,457–12,480 of 18,223
Interactive

Philosophical Roots - Ancient Influences on Psychology

Psychology Grade 9
$10.00
Interactive

Philosophical Roots - Ethical Implications of Psychological Thought

Psychology Grade 9
$10.00
Interactive

Philosophical Roots - Rationalism vs. Empiricism

Psychology Grade 9
$10.00
Interactive

Philosophical Roots - The Mind-Body Debate

Psychology Grade 9
$10.00
Interactive

Philosophy and Reason - Empiricism vs. Rationalism

English Language Arts Grade 9
$10.00
Interactive

Philosophy and Reason - The Impact of Skepticism

English Language Arts Grade 9
$10.00
Interactive

Philosophy and Reason - The Role of Rational Thought

English Language Arts Grade 9
$10.00
Interactive

Philosophy and Reason - The Scientific Method in the Enlightenment

English Language Arts Grade 9
$10.00
Interactive

Philosophy - Definition and Scope

Religious Studies Grade 9
$10.00
Interactive

Philosophy of Taste - Experience of Food in the Renaissance

Food & Nutrition Science Grade 9
$10.00
Interactive

Philosophy of the Enlightenment - Influence on Modern Democracies

History Grade 9
$10.00
Interactive

Philosophy of the Enlightenment - Key Thinkers and Their Ideas

History Grade 9
$10.00
Interactive

Philosophy of the Enlightenment - Natural Rights and Social Contracts

History Grade 9
$10.00
Interactive

Philosophy of the Enlightenment - The Role of Reason in Society

History Grade 9
$10.00
Interactive

pH in Cleaning Agents - Environmental Impact of pH Levels

Chemistry Grade 9
$10.00
Interactive

pH in Cleaning Agents - Measuring pH Levels in Household Cleaners

Chemistry Grade 9
$10.00
Interactive

pH in Cleaning Agents - The Role of pH in Cleaning Efficacy

Chemistry Grade 9
$10.00
Interactive

pH in Cleaning Agents - Understanding Acidic vs. Alkaline Cleaners

Chemistry Grade 9
$10.00
Interactive

Phosphorus Cycle - The Role of Phosphorus in Plant Growth

Biology Grade 9
$10.00
Interactive

Photoelectric effect - Applications and Implications

Physics Grade 9
$10.00
Interactive

Photoelectric effect - Einstein's Explanation

Physics Grade 9
$10.00
Interactive

Photoelectric effect - Introduction to the Photoelectric Effect

Physics Grade 9
$10.00
Interactive

Photoelectric effect - Key Experiments and Observations

Physics Grade 9
$10.00
Interactive

Photosynthesis and Growth - Light Intensity Effects

Biology Grade 9
$10.00