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.

10,969–10,992 of 18,223
Interactive

Mendeleev's Periodic Table - Historical Context

Physics Grade 9
$10.00
Interactive

Mendeleev's Periodic Table - Limitations and Corrections

Physics Grade 9
$10.00
Interactive

Mendeleev's Periodic Table - Predictions of Undiscovered Elements

Physics Grade 9
$10.00
Interactive

Mendelian genetics basics - Homozygous vs. Heterozygous

Biology Grade 9
$10.00
Interactive

Mendelian genetics basics - The Principles of Inheritance

Biology Grade 9
$10.00
Interactive

Mendelian genetics basics - The Role of Gametes in Inheritance

Biology Grade 9
$10.00
Interactive

Mendelian genetics basics - Understanding Alleles

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Dominance and Recessiveness

Biology Grade 9
$10.00
Interactive

Mendelian genetics - Dominant and Recessive Traits

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Dominant and Recessive Traits

Science Grade 9
$10.00
Interactive

Mendelian genetics - Genetic Crosses and Outcomes

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Introduction to Alleles

Science Grade 9
$10.00
Interactive

Mendelian genetics - Introduction to Gregor Mendel

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Laws of Inheritance

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Laws of Inheritance

Science Grade 9
$10.00
Interactive

Mendelian Genetics - Test Crosses and Their Importance

Science Grade 9
$10.00
Interactive

Mendelian genetics - The Laws of Segregation

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - The Role of Genes

Biology Grade 9
$10.00
Interactive

Mendelian Genetics - Traits and Alleles

Biology Grade 9
$10.00
Interactive

Men's Roles in Religious Communities - Fathers and Leadership in Family Worship

Religious Studies Grade 9
$10.00
Interactive

Men's Roles in Religious Communities - Masculinity in Modern Religious Practices

Religious Studies Grade 9
$10.00
Interactive

Men's Roles in Religious Communities - Men's Retreats and Spiritual Development

Religious Studies Grade 9
$10.00
Interactive

Men's Roles in Religious Communities - The Role of Men in LGBTQ+ Religious Spaces

Religious Studies Grade 9
$10.00
Interactive

Mental health resources - Finding Local Counseling Services

Social Emotional Learning Grade 9
$10.00