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.

7,705–7,728 of 18,223
Interactive

Heat Transfer - Conduction, Convection, and Radiation

Chemistry Grade 9
$10.00
Interactive

Heat Transfer - Factors Affecting Heat Transfer Efficiency

Chemistry Grade 9
$10.00
Interactive

Heat Transfer in Different Cooking Techniques - A Comparative Study

Physics Grade 9
$10.00
Interactive

Heat Transfer - Measuring Heat Flow in Chemical Reactions

Chemistry Grade 9
$10.00
Interactive

Heat Transfer Methods - Combined Modes of Heat Transfer

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Conduction and Material Properties

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Conduction Explained

Physics Grade 9
$10.00
Interactive

Heat transfer methods - Conduction: The Basics

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Convection and Fluid Motion

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Convection in Fluids

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Insulation and Its Importance

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Radiation and Electromagnetic Waves

Physics Grade 9
$10.00
Interactive

Heat Transfer Methods - Radiation Basics

Physics Grade 9
$10.00
Interactive

Heat transfer methods - The Process of Radiation

Physics Grade 9
$10.00
Interactive

Heat transfer methods - Understanding Convection Currents

Physics Grade 9
$10.00
Interactive

Heat Transfer - The Role of Temperature in Energy Transfer

Chemistry Grade 9
$10.00
Interactive

Heliocentrism and its Influence on Future Astronomers

Science Grade 9
$10.00
Interactive

Henri Becquerel's findings - Discovery of Uranium Rays

Science Grade 9
$10.00
Interactive

Henri Becquerel's findings - Impact on Modern Physics

Science Grade 9
$10.00
Interactive

Henri Becquerel's findings - The Role of Photographic Plates

Science Grade 9
$10.00
Interactive

Henri Becquerel's findings - Understanding Spontaneous Emission

Science Grade 9
$10.00
Interactive

Herbal remedies - Historical Uses of Common Herbs

Health & Life Skills Grade 9
$10.00
Interactive

Herbal remedies - Potential Benefits and Risks

Health & Life Skills Grade 9
$10.00
Interactive

Herbal remedies - Preparation and Dosage Guidelines

Health & Life Skills Grade 9
$10.00