On Demand

Uniform circular motion and gravitation

Why do things move in circles? Learn about centripetal acceleration, centripetal force, and Newton's law of gravitation. This course contains 4 segments:Uniform circular motion...

Khan Academy

On Demand

Prepare for the 2020 AP Physics 1 exam

Studying for the AP Physics 1 exam? Watch and practice with these materials to help you review.This course contains 3 segments:AP Physics 1 concept reviewThese videos quickly...

Khan Academy

On Demand

Biology foundations

An introduction to biology along with a review of the chemistry basics to help you understand the beauty of life!This course contains 4 segments:Biology and the scientific...

Khan Academy

On Demand

Energy and transport

Learn more about types of transfer and how organisms use photosynthesis and cellular respiration to convert and transfer energy. This course contains 6 segments:Introduction to...

Khan Academy

On Demand

Reproduction and cell division

All living things are made up of cells. Find out how cells divide through mitosis, how the cell cycle is controlled, and meiosis. This course contains 5 segments:Types of...

Khan Academy

On Demand

Classical genetics

Have you ever been told that you have your mother's eyes or grandfather's nose? Learn why traits run in families and how they're passed on. We'll look at Mendel's model of...

Khan Academy

On Demand

Molecular genetics

DNA serves as the genetic material for all living organisms. Learn more about the structure and synthesis of this remarkable molecule, and how genes in your DNA provide...

Khan Academy

On Demand

Evolution

Discover the diversity of life on Earth and the forces that shape it! In this section, you can learn about evolution, natural selection, and the tree of life. This course contains...

Khan Academy

On Demand

Human body systems

Your body is an amazing system! The human body is made up of groups of organs, called organ systems, that work together to keep the body in balance. In this section, we'll travel...

Khan Academy

On Demand

Torque and angular momentum

Everything we've learned about motion, forces, energy, and momentum can be reused with a few tweaks to analyze rotating objects. In this lesson, you'll learn about rotational...

Khan Academy