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

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

5,209–5,232 of 18,223
Interactive

Electronegativity Trends - Trends Across a Period

Chemistry Grade 9
$10.00
Interactive

Electronegativity Trends - Trends Down a Group

Chemistry Grade 9
$10.00
Interactive

Electroplating - Applications in Industry

Chemistry Grade 9
$10.00
Interactive

Electroplating - Environmental Impact of Electroplating

Chemistry Grade 9
$10.00
Interactive

Electroplating - Principles of Electroplating

Chemistry Grade 9
$10.00
Interactive

Electroplating - The Process of Electrolysis in Metal Coating

Chemistry Grade 9
$10.00
Interactive

Electroweak Theory - Historical Development and Discoveries

Physics Grade 9
$10.00
Interactive

Electroweak Theory - Implications for Particle Physics

Physics Grade 9
$10.00
Interactive

Electroweak Theory - The Higgs Mechanism Explained

Physics Grade 9
$10.00
Interactive

Electroweak Theory - Unifying Electric and Weak Forces

Physics Grade 9
$10.00
Interactive

Element Classification - Alkali and Alkaline Earth Metals

Chemistry Grade 9
$10.00
Interactive

Element Classification - Alkali and Alkaline Earth Metals

Science Grade 9
$10.00
Interactive

Element Classification - Definition and Importance of Categories

Chemistry Grade 9
$10.00
Interactive

Element Classification - Metals, Nonmetals, and Metalloids

Science Grade 9
$10.00
Interactive

Element Classification - Noble Gases and Their Properties

Chemistry Grade 9
$10.00
Interactive

Element Classification - Noble Gases and Their Reactivity

Science Grade 9
$10.00
Interactive

Element Classification - Transition Metals and Their Properties

Science Grade 9
$10.00
Interactive

Element Classification - Transition Metals vs. Main Group Elements

Chemistry Grade 9
$10.00
Interactive

Element organization - Groups and Periods Explained

Science Grade 9
$10.00
Interactive

Element organization - Metals, Nonmetals, and Metalloids

Science Grade 9
$10.00
Interactive

Element organization - Organization by Atomic Number

Science Grade 9
$10.00
Interactive

Element organization - The Importance of Chemical Families

Science Grade 9
$10.00
Interactive

Elements of a Contract - Consideration Explained

Law & Legal Studies Grade 9
$10.00
Interactive

Elements of a Contract - Legal Capacity in Contracts

Law & Legal Studies Grade 9
$10.00