How Flowering Plants Conquered the Earth: an 800-Million-Year Journey

Gymnosperms: Nature's Seed Pioneers

The Weird World of Bryophytes (reupload with quieter music)

What Season is it Anyway?

Lichens Are Wild!

Pteridophytes: Ferns and Their Kin

What is the deal with Omega-3s?

The Weird World of Bryophytes

Periodic Table Trends

Let's Build the Periodic Table

What are Limiting Reactants?

Mole Ratios

Introduction to Stoichiometry

How to Balance a Chemical Equation

Chemical Reactions

Chemical Bonds Review

Double and Triple Bonds

How to Write the Chemical Formula of a Covalent Compound

Molar Mass Conversions

Four Types of Chemical Bonds: Metallic, Ionic, Polar Covalent, and Non-Polar Covalent

Naming Covalent Compounds

Introduction to Covalent Bonding (with Lewis Diagrams)

How to Name Ionic Compounds

Predicting Ionic Bonding with Polyatomic Ions

What are polyatomic ions?

What are Isotopes?

What is a mole?

Calculating Molar Mass

Ionic Bonds

Ions