Archives: Lessons

Classification Systems Learning Objective In this lesson we will learn about classification systems for living and non-living things. Learning Outcomes By the end of this lesson you will be able to: Give reasons for classifying things. Define ‘taxonomy’. Discuss how to choose criteria for classification systems. Describe how classification keys work, with examples. Discuss the … Read more

The Characteristics of Living Things Learning Objective In this lesson we will learn about the characteristics that define living organisms. Learning Outcomes By the end of this lesson you will be able to: Define biology and give examples of different areas of biology. Discuss the characteristics that all living things possess. Distinguish between living and … Read more

Investigating Chemical Reactions Learning Objective In this lesson we will learn how chemical reactions can be classified, based on the way atoms are rearranged, or according to the energy changes that take place. We will also learn how to test for oxygen, hydrogen and carbon dioxide gas produced during chemical reactions. Learning Outcomes By the … Read more

Describing Chemical Reactions Using Equations Learning Objective In this lesson we will learn how to represent chemical reactions as word equations and formula equations. Learning Outcomes By the end of this lesson you will be able to: Identify reactants and products in chemical reactions. Represent chemical reactions as word equations. Represent chemical reactions as formula … Read more

Physical and Chemical Changes Learning Objective In this lesson we will compare physical and chemical changes, and learn how to differentiate between them. Learning Outcomes By the end of this lesson you will be able to: Differentiate between a physical change and a chemical change. Give examples of different types of physical change. Identify signs … Read more

Introduction to the Periodic Table Learning Objective In this lesson we will learn how elements are arranged in the periodic table, according to trends in their properties. Learning Outcomes By the end of this lesson you will be able to: Describe the general layout of the periodic table. Identify groups and periods on the periodic … Read more

Names and Symbols for Elements and Compounds Learning Objective In this lesson we will learn how to write and interpret chemical formulas for elements and compounds. Learning Outcomes By the end of this lesson you will be able to: Write chemical symbols for elements. Write chemical formulas for compounds. Identify the number of each type … Read more

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