Explore our current biology video tutorials

Biology

Intro to Biology

3 Videos

Biology Overview

The Scientific Method

Importance of Water for Life

Chemistry of Life

11 Videos

Elements and Atoms

Introduction to the Atom

Shells, Subshells, and Orbitals

Valence electrons and ionic compounds

Groups of the periodic table

Ionic bonds

Covalent bonds

Electronegativity

Electronegativity and bonding

Intermolecular forces

Chemical reactions introduction

Water, Acids, and Bases

14 Videos

Hydrogen bonding in water

Water as a solvent

Capillary action and why we see a meniscus

Surface tension

LeBron Asks: Why does sweating cool you down?

Evaporative cooling

Heat of vaporization of water and ethanol

Specific heat of water

Liquid water denser than solid water (ice)

Autoionization of water

Arrhenius acids and bases

Brønsted–Lowry acids and bases

Definition of pH

Introduction to buffers