Science

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Heats of Dissociation
Heats of Dissociation 1600 695 Teaching Staff

All molecules are held together by bonds. These bonds come in different lengths, strengths, and numbers, but they all share one thing in common: energy. All bonds store energy which…

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A Quick Start Guide to Bohr-Rutherford Diagrams
A Quick Start Guide to Bohr-Rutherford Diagrams 521 358 Teaching Staff

Bohr-Rutherford diagrams are simple atomic models that show the number of electrons in each shell of an atom. While they are a major simplification of what really happening in an…

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The Atomic Model: A Timeline History
The Atomic Model: A Timeline History 960 640 Teaching Staff

Atoms. What are they? If you are taking Chemistry then you should know that they are the basic building blocks of all matter. You may have also learnt that the…

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The 3 Types of Natural Selection
The 3 Types of Natural Selection 960 663 Teaching Staff

Natural selection is defined as a process or a “force” that allows for organisms better adapted to their environment to better survive and produce more offspring. The theory of natural…

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Le Châtelier’s Principal
Le Châtelier’s Principal 656 720 Teaching Staff

A difficult concept in chemistry is the equilibrium of chemical equations. Chemical reactions do not always react to completion, and they can proceed in either direction if it is written…

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The Circulatory System
The Circulatory System 1920 1080 Teaching Staff

There are multiple organ systems in the human body that work together to keep us alive. One of these systems is the circulatory system. The major components of the circulatory…

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Forces in Physics
Forces in Physics 695 686 Teaching Staff

There are several different types of forces that exist. One way of categorizing different forces is into contact and non-contact forces. A contact force requires something to be physically touching…

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Types of Chemical Reactions
Types of Chemical Reactions 708 720 Teaching Staff

There are various types of chemical reactions that occur in chemistry, but many reactions tend to follow 1 of 5 main types. Becoming familiar with these types of chemical reactions…

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Population Genetics: The Hardy-Weinberg Equilibrium
Population Genetics: The Hardy-Weinberg Equilibrium 960 640 Teaching Staff

The Hardy-Weinberg equilibrium is a model that proposes allele (variations of a gene) and genotype (genetic makeup) frequencies within a population remain constant when the population is in equilibrium. If…

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Extracting Information From the Periodic Table
Extracting Information From the Periodic Table 1270 748 Teaching Staff

Chemistry isn’t restricted to things that happen in the lab. In fact, everything on this planet is made up of atoms – the same 118 (or more) elements that are…

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