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.

625–648 of 18,223
Interactive

Applications of radioactivity - Medical Imaging Techniques

Science Grade 9
$10.00
Interactive

Applications of radioactivity - Radioactive Dating Methods

Science Grade 9
$10.00
Interactive

Applications of radioactivity - Uses in Agriculture

Science Grade 9
$10.00
Interactive

Applications of Redox Reactions - Importance in Biochemical Processes

Chemistry Grade 9
$10.00
Interactive

Applications of Redox Reactions - Industrial Applications of Redox Chemistry

Chemistry Grade 9
$10.00
Interactive

Applications of Redox Reactions - Redox Reactions in Batteries

Chemistry Grade 9
$10.00
Interactive

Applications of Redox Reactions - Role in Corrosion

Chemistry Grade 9
$10.00
Interactive

Applications of Stem Cell Research - Medical Advances

Biology Grade 9
$10.00
Interactive

Applying Newton's Laws - How Forces Affect Riders' Experience

Physics Grade 9
$10.00
Interactive

Applying Psychology to Relationships - Communication Techniques for Couples

Psychology Grade 9
$10.00
Interactive

Applying Psychology to Relationships - Navigating Conflict Resolution

Psychology Grade 9
$10.00
Interactive

Applying Psychology to Relationships - The Role of Empathy in Relationships

Psychology Grade 9
$10.00
Interactive

Applying Psychology to Relationships - Understanding Attachment Styles

Psychology Grade 9
$10.00
Interactive

APR vs. APY - Choosing the Right One for Your Needs

Financial Literacy Grade 9
$10.00
Interactive

APR vs. APY - Definitions and Differences

Financial Literacy Grade 9
$10.00
Interactive

APR vs. APY - How to Calculate Both

Financial Literacy Grade 9
$10.00
Interactive

APR vs. APY - Understanding Their Importance in Finance

Financial Literacy Grade 9
$10.00
Interactive

Aquifer Sustainability - Impact of Over-extraction

Science Grade 9
$10.00
Interactive

Aquifer Sustainability - Management Practices for Sustainability

Science Grade 9
$10.00
Interactive

Aquifer Sustainability - Recharge Rates and Methods

Science Grade 9
$10.00
Interactive

Aquifer Sustainability - Types of Aquifers

Science Grade 9
$10.00
Interactive

Arab Spring - Modern Revolutions and Their Outcomes

History Grade 9
$10.00
Interactive

Arbitration Overview - Pros and Cons of Arbitration

Law & Legal Studies Grade 9
$10.00
Interactive

Arbitration Overview - The Arbitration Process Explained

Law & Legal Studies Grade 9
$10.00