Archives: Lessons

Elements, Compounds and Mixtures Learning Objective In this lesson we will learn how matter can be categorised based on the subunits making it up, and how this affects the separability of substances. Learning Outcomes By the end of this lesson you will be able to: Describe atoms and molecules. Compare pure substances and mixtures. Compare … Read more

Separation of Mixtures Learning Objective In this lesson we will learn how mixtures can be separated by a variety of methods, depending on the type of mixture and the physical properties of the component substances. Learning Outcomes By the end of this lesson you will be able to: Describe the following separation methods, with examples: … Read more

Solutions and Solubility Learning Objective In this lesson we will learn about the properties of solutions and look at examples of different types of solutions. We will also learn how solubility is related to the components of a solution and how it is affected by temperature and pressure. Learning Outcomes By the end of this … Read more

Pure Substances and Mixtures Learning Objective In this lesson we will learn how matter is classified based on its macroscopic and microscopic properties. Learning Outcomes By the end of this lesson you will be able to: Define matter and explain how it is composed of particles. Distinguish between a pure substance and a mixture. Distinguish … Read more

Density of Solids, Liquids and Gases Learning Objective In this lesson we will look more closely at density as a physical property, including what happens when substances with different densities are combined. Learning Outcomes By the end of this lesson you will be able to: Describe density. Express density as a mathematical relationship between mass … Read more

Expansion and Contraction in Solids, Liquids and Gases Learning Objective In this lesson we will learn how temperature changes affect the volume of solids, liquids and gases. Learning Outcomes By the end of this lesson you will be able to: Describe the relationship between heat energy, movement of particles and the volume of a substance. … Read more

Changes in States of Matter Learning Objective In this lesson we will learn about the six types of changes in state of matter, and the energy changes that are associated with them. Learning Outcomes By the end of this lesson you will be able to: Name and describe the six changes of state. Use the … Read more

Particles in Solids, Liquids and Gases Learning Objective In this lesson we will learn how the energy, arrangement and movement of particles in solids, liquids and gases determines their different properties. Learning Outcomes By the end of this lesson you will be able to: Describe the particle model of matter. Describe the energy, arrangement and … Read more

Properties of Solids, Liquids and Gases Learning Objective In this lesson we will learn about the three main states of matter and the properties that characterise them. Learning Outcomes By the end of this lesson you will be able to: Describe properties of solids, liquids and gases. Describe the different states of water. (Image: MicroOne, … Read more

Earthquakes and Tsunamis Learning Objective In this lesson we will learn what earthquakes and tsunamis are and discuss how and where they occur. Learning Outcomes By the end of this lesson you will be able to: Describe what earthquakes are and explain how they occur. Compare the different types of faults and the types of … Read more

Volcanoes Learning Objective In this lesson we will learn about the different types of volcanoes, where they are found and the types of eruptions they are associated with. Learning Outcomes By the end of this lesson you will be able to: Describe the structure of volcanoes and the types of materials they eject. Differentiate between … Read more

Tectonic Plate Boundaries Learning Objective In this lesson we will learn about the different types of boundaries between tectonic plates and the geological features that are associated with them. Learning Outcomes By the end of this lesson you will be able to: Describe divergent, convergent and transform plate boundaries, with examples. Differentiate between continental-oceanic, continental-continental … Read more

Plate Tectonic Theory Learning Objective In this lesson we will learn about the development of the theory of plate tectonics. Learning Outcomes By the end of this lesson you will be able to: Describe Wegener’s theory of continental drift and evidence that supports it. Describe the mid-ocean ridge system and ocean trenches. Describe Hess’s theory … Read more

Identifying Minerals Learning Objective In this lesson we will learn about some of the physical characteristics of minerals that can be used to identify them. Learning Outcomes By the end of this lesson you will be able to: Describe minerals and crystals. Describe examples of crystal shape. Differentiate between cleavage and fracture. Describe Mohs scale … Read more

Oxidation Reactions: Combustion and Corrosion Learning Objective In this lesson we will learn about oxidation reactions, in particular, combustion and corrosion. Learning Outcomes By the end of this lesson you will be able to: Describe oxidation reactions. Describe combustion, including complete and incomplete combustion of hydrocarbons, combustion of metals and combustion of non-metals. Predict the … Read more

Combination, Decomposition and Displacement Reactions Learning Objective In this lesson we will learn how the products of chemical reactions can often be predicted, by classifying reactions into different types, based on the way atoms are rearranged. Learning Outcomes By the end of this lesson you will be able to: Identify the following types of chemical … Read more

Writing Balanced Chemical Equations Learning Objective In this lesson we will learn how to write chemical equations in a way that reflects the law of conservation of mass. Learning Outcomes By the end of this lesson you will be able to: Explain how the law of conservation of mass applies to chemical reactions. Write balanced … Read more

Rocks and the Rock Cycle Learning Objective In this lesson we will learn about the three main types of rocks and how they are linked via the rock cycle. Learning Outcomes By the end of this lesson you will be able to: Define what rocks and minerals are. Compare the three main types of rocks, … Read more

Metamorphic Rocks Learning Objective In this lesson we will learn about the formation of metamorphic rocks. We will also look at some common metamorphic rocks and discuss their properties and uses. Learning Outcomes By the end of this lesson you will be able to: Explain what metamorphic rocks are and describe how they are formed. … Read more

Sedimentary Rocks Learning Objective In this lesson we will learn about the formation of sedimentary rocks and compare clastic, biochemical and chemical sedimentary rocks. We will also look at some common sedimentary rocks and discuss their properties and uses. Learning Outcomes By the end of this lesson you will be able to: Explain what sedimentary … Read more