Secondary Catalogue

Chemistry


The Chemical Properties of Elements

The Chemical Properties of Elements

Chemistry: Senior Secondary

If movies have taught us anything, it's that the first person to enter a spooky cave is the first to get in trouble! Will First Mate Phil survive to see the light of day? This lesson will shine a light on the chemical properties of metals,...Show More
Naming Covalent Substances

Naming Covalent Substances

Chemistry: Senior Secondary

This lesson will discuss the rules for writing the names and chemical formulae of covalent molecules and covalent networks.
The Physical Properties of Elements

The Physical Properties of Elements

Chemistry: Senior Secondary

The pirates are off to find more treasure! Will they make it across the stormy seas? This lesson will survey the physical properties of metals, non-metals and metalloids.
Naming Binary Ionic Compounds

Naming Binary Ionic Compounds

Chemistry: Senior Secondary

This lesson will reveal the rules for writing the names and chemical formulae of ionic compounds, by balancing charges and using the cross method.
Naming Hydrated Salts

Naming Hydrated Salts

Chemistry: Senior Secondary

This lesson will explain the differences between hydrated and anhydrous salts, including how to write their names and chemical formulae.
Naming Polyatomic Ions

Naming Polyatomic Ions

Chemistry: Senior Secondary

This lesson will uncover the rules for writing the names and chemical formulae of polyatomic ions and ionic compounds.
Naming Monoatomic Ions

Naming Monoatomic Ions

Chemistry: Senior Secondary

This lesson will introduce the rules for writing the names and chemical formulae of non-metal anions and metal cations, including metals with multiple positive oxidation states.
Elements: The Hanover Poisoning

Elements: The Hanover Poisoning

Introducing Elements, Compounds and Mixtures

A poisoned umbrella and a forensic investigation…using an unusual and as-yet-unsolved true crime as a launching place, this video shows that the chemistry of matter matters. Elements, as represented on the periodic table, are made up of only...Show More
Gravimetric Analysis: Part 2

Gravimetric Analysis: Part 2

Chemistry: Senior Secondary

Long Jane Silver and Senor Ortega analysed the soil sample and saved the cocoa trees! But something's not right... Did they perform the wrong steps? Was their sample contaminated? This lesson will assess the accuracy, reliability and validity of...Show More
The Periodic Table

The Periodic Table

Chemistry: Senior Secondary

Long Jane Silver buys an antique table, despite an old sailor's warning that it is haunted! Is she ready to discover what lies waiting inside? This lesson will introduce the periodic table of elements and explain how it is organised.
Weird Wonderful Water

Weird Wonderful Water

Life in the Sea

This programme is about seawater. It is the most important liquid on Earth, not only from its sheer volume, but also because it has remarkable qualities. A few of them, like buoyancy, are common to all liquids - but seawater is also the cradle of...Show More
Characteristics of Groups: Chemical Reactivity and Nature of Oxides

Characteristics of Groups: Chemical Reactivity and Nature of Oxides

Periodic Classification of Elements

The chemical reactivity of metals increases from the top to the bottom in a group, while the chemical reactivity of non - metals decreases as we move down in the group. On moving down in a group of the Periodic Table, there is no change in the...Show More
The Haber Process

The Haber Process

Chemical Equilibrium

How is chemical equilibrium important for making ammonia? This video demonstrates how an understanding of chemical equilibrium and Le Chatelier’s principle is applied in the Haber-Bosch Process, making the production of ammonia more efficient....Show More
Changing Equilibrium Systems: Increasing the Amount of a Product

Changing Equilibrium Systems: Increasing the Amount of a Product

Chemical Equilibrium

What happens when you add more product to an equilibrium? This video demonstrates how an increase in products affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the appearance of a solution of sodium...Show More
Equilibrium Law

Equilibrium Law

Chemical Equilibrium

What is an equilibrium constant and how do we work it out? This video explains various aspects of the equilibrium constant, including what it is, how to calculate it and how it can be affected by other factors like temperature and pressure....Show More
Competing Equilibria

Competing Equilibria

Chemical Equilibrium

How is chemical equilibrium important for cellular respiration? This video explains how two competing equilibrium reactions involving haemoglobin are at work in the process of cellular respiration. Clear explanations of this life-or-death example...Show More
Changing Equilibrium Systems: Increasing the Pressure

Changing Equilibrium Systems: Increasing the Pressure

Chemical Equilibrium

What happens when you increase the pressure on an equilibrium? This video demonstrates how changing pressure affects reaction rates in accordance with Le Chatelier’s principle. Students will observe the colour of a gaseous mixture of nitrogen...Show More
Changing Equilibrium Systems: Changing the Temperature

Changing Equilibrium Systems: Changing the Temperature

Chemical Equilibrium

What happens when you turn up the heat in an equilibrium? This video demonstrates how changing temperature affects reaction rates in accordance with Le Chatelier’s principle. Students will observe the colour of a solution of cobaltous chloride...Show More
Changing Equilibrium Systems: Removing a Product

Changing Equilibrium Systems: Removing a Product

Chemical Equilibrium

What happens when you remove products from an equilibrium? This video demonstrates how a decrease in the amount of product affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the appearance of a...Show More
Le Chatelier's Principle

Le Chatelier's Principle

Chemical Equilibrium

What does Le Chatelier have to do with chemical equilibrium? This shows how various changes can affect the balance of a reaction in equilibrium and favour one reaction over another, as predicted by Le Chatelier’s principle. Easy-to-understand...Show More
Changing Equilibrium Systems: Increasing the Concentration of a Reactant

Changing Equilibrium Systems: Increasing the Concentration of a Reactant

Chemical Equilibrium

What happens when you add more reactant to an equilibrium? This video demonstrates how an increase in reactants affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the colour of a solution of ferric...Show More
Reversible Reactions

Reversible Reactions

Chemical Equilibrium

What does it mean if a reaction is in equilibrium? This video introduces key concepts such as reversible and irreversible reactions, forward and reverse reactions and equilibrium. Easy-to-understand explanations and examples of chemical...Show More
Percentage Composition

Percentage Composition

Chemistry: Senior Secondary

Watch Cookie struggle after a late night out on the seven seas. They should be awake after eating 80% dark chocolate and drinking a strong (10 000%) coffee! This lesson will introduce gravimetric analysis before delving into the equation for...Show More
Gravimetric Analysis: Part 1

Gravimetric Analysis: Part 1

Chemistry: Senior Secondary

Long Jane Silver landed a sweet cocoa deal with a local farmer, Senor Ortega. But when a supply ship barely survives a storm, the pirates and Ortega join forces to save the cocoa farm! This lesson will unearth the steps in gravimetric analysis,...Show More
Significant Figures

Significant Figures

Chemistry: Senior Secondary

Using significant figures is as easy as watching Netflix! This lesson will bring back the basics: counting and rounding significant figures. To finish, we'll explore how significant figures are related to accuracy and how to approach calculations...Show More