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Astronomy - The Wonders of the Big Bang and Our Universe

from Alison (Free)

The Big Bang theory has revolutionized our understanding of how the Universe was formed. It presents the scientific proof that shows how the Universe expanded from an infinitely...

Biology - Cell Division

from Alison (Free)

Cell division and replication are fundamental biological processes that occur in all organisms. This free online course about cell division will explain the complex processes of...

Biology - Evolution, Natural Selection and DNA

from Alison (Free)

Evolution and natural selection are very important concepts that have revolutionised our understanding of biology. Natural selection is a process resulting in the evolution of...

Biology - Heredity

from Alison (Free)

Heredity is the genetic transmission of characteristics from parent to offspring. Many of these characteristics, particularly the dominant ones, have a physical manifestation like...

Chemistry - Atoms, Elements and the Periodic Table

from Alison (Free)

Two fundamental aspects of chemistry are, firstly, the structure of the atom and the role of the subatomic particles neutrons, protons and electrons, and, secondly, the atomic...

Chemistry - Gases and Their Properties

from Alison (Free)

Gases behave differently from either solids or liquids, so there are different methods for understanding their behaviour. Having neither fixed volume nor shape gases are moulded...

Chemistry - Molecules and their Composition

from Alison (Free)

A molecule is a group of two or more atoms that bind together using chemical bonds. They may be from one or multiple elements and it is the ratio, or mass composition, of each...

Chemistry - States of Matter

from Alison (Free)

Matter exists in four states - solid, liquid, gas and plasma and it will change state depending on the temperature and pressure applied to the matter. In this free online chemistry...

Chemistry - The Nature of Substances

from Alison (Free)

The amount of energy required to change the state of a substance depends on how strong or weak the bonds between the molecules are. For substances with strong bonds at standard...

Dynamic Earth: Understanding Plate Tectonics

from Alison (Free)

The past one hundred years has seen a revolution in how we understand the structure of the earth and the geological processes that shape it. In this free online course you will be...

Fundamentals of Cellular Respiration

from Alison (Free)

Cellular respiration is a key concept to understand in biology as it involves obtaining energy from the nutrients organisms eat and the removal of waste products. It is a key...

Physics - Advanced Motion in Two Dimensions

from Alison (Free)

Using vectors to study motion is a fundamental skill to have when studying physics. Vector quantities used to describe the physical world include displacement, velocity,...

Physics - Gravity

from Alison (Free)

Gravity is the force that keeps us on the ground and understanding how gravity works is very important as it has a great influence on the upward and downward movement of objects....

Physics - Introduction to Motion in Two Dimensions

from Alison (Free)

Calculating change in motion is a very important concept to master in physics. When change happens in one dimension it is relatively easy to calculate the variable. However, change...

Physics - Kinematics through Practical Examples

from Alison (Free)

In physics the study of movement and the motion of objects is called kinematics and is a branch of mechanics. The study of the motion of objects focuses on topics such as...

Physics - Motion, Speed and Time

from Alison (Free)

Motion, speed and time are three fundamental concepts in basic physics and they are important building blocks for understanding more advanced topics. This free online course...

Physics - Normal and Contact Forces

from Alison (Free)

Understanding the concept of force and the effects various forces have on objects are very important topics in physics. For example, when you try to move a heavy object it takes...

Understanding Thermodynamics for Science and Engineering

from Alison (Free)

Thermodynamics is a very important branch of science and engineering that studies the role of heat and its relation to energy and work. Having a good knowledge and understanding of...

World History - The Rise of Fascism

from Alison (Free)

The rise of fascism as a political movement during the middle of the 20th century was a key period in the history of modern Europe as it eventually led to a world war and the...

World History - World War 1 and Its Aftermath

from Alison (Free)

World War 1 was a momentous event that resulted not only in the death of millions of soldiers and civilians but also in the political collapse of European empires and the beginning...