Archives: Lessons

Electrical Resistance and Ohm’s Law Learning Objective In this lesson we will learn about electrical resistance and how it can be calculated. Learning Outcomes By the end of this lesson you will be able to: Define electrical resistance and give examples of materials with high and low resistance. Describe how different factors can affect the … Read more

Measuring Electricity – Voltage and Current Learning Objective In this lesson we will learn how electricity can be measured in terms of voltage and current. Learning Outcomes By the end of this lesson you will be able to: Define voltage and explain how it can be measured using a voltmeter. Define current and explain how … Read more

Electric Circuits and Circuit Diagrams Learning Objective In this lesson we will learn about basic electric circuits and how they can be represented by circuit diagrams. Learning Outcomes By the end of this lesson you will be able to: Describe an electric circuit and list four common features of all electric circuits. Describe how electric … Read more

Introduction to Electricity Learning Objective In this lesson we will learn what electricity is and look at the two forms in which it can exist. Learning Outcomes By the end of this lesson you will be able to: Explain how electric charge can be transferred between atoms. Define electricity. Define electrical energy and explain how … Read more

Heat Energy and Heat Transfer Learning Objective In this lesson we will learn how heat energy is transferred between substances by the processes of conduction, convection and radiation. Learning Outcomes By the end of this lesson you will be able to: Differentiate between heat energy and temperature. Define heat transfer. Explain how the processes of … Read more

Sound Waves Learning Objective In this lesson we will learn how sound waves transfer energy and how sound waves can be characterised. Learning Outcomes By the end of this lesson you will be able to: Define what sound waves are and explain how they are generated. Describe how sound waves consist of compressions and rarefactions, … Read more

Refraction and Lenses Learning Objective In this lesson we will learn how light refracts through convex and concave lenses to produce different types of images. Learning Outcomes By the end of this lesson you will be able to: Describe refraction, with examples. Define refractive index the explain the law of refraction. Describe convex and concave … Read more

Reflection and Mirrors Learning Objective In this lesson we will learn how light reflects off flat and curved mirrors to produce different types of images. Learning Outcomes By the end of this lesson you will be able to: Describe plane, concave and convex mirrors. Describe the law of reflection. Explain how light reflects off plane, … Read more

The Visible Light Spectrum and Colour Learning Objective In this lesson we will learn how visible light is composed of colours with different wavelengths. Learning Outcomes By the end of this lesson you will be able to: Describe how light waves are electromagnetic waves. Describe how visible light (white light) is composed of colours with … Read more

Electromagnetic Radiation Learning Objective In this lesson we will learn about the different types of electromagnetic radiation, how they are produced and how they can be used. Learning Outcomes By the end of this lesson you will be able to: Describe an electromagnetic wave and the electromagnetic spectrum. Identify the different types of electromagnetic radiation. … Read more

Waves Learning Objective In this lesson we will look at characteristics of waves and learn about different types of wave motion. Learning Outcomes By the end of this lesson you will be able to: Define what a wave is. Distinguish between mechanical and electromagnetic waves. Describe transverse, longitudinal and surface wave motion. Describe the mathematical … Read more

Energy Consumption and Clean Energy Learning Objective In this lesson we will look at ways of reducing energy consumption and compare fossil fuels with alternative sources of energy. Learning Outcomes By the end of this lesson you will be able to: Describe the benefits of reducing energy consumption and using cleaner sources of energy. Describe … Read more

Energy-Efficient Design Learning Objective In this lesson we will look at some ways that the design of an object or system can increase its energy efficiency. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by ‘energy-efficient design’. Describe some ways that friction can be reduced to … Read more

Conservation of Energy Learning Objective In this lesson we will look at how energy transfers and transformations relate to the law of conservation of energy. Learning Outcomes By the end of this lesson you will be able to: Describe the law of conservation of energy. Describe how energy transfers and transformations are not 100% efficient, … Read more

Energy Transformation Learning Objective In this lesson we will look at some of the main types of energy transformations involving mechanical energy, electrical energy, chemical energy and nuclear energy. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by ‘energy transformation’. Describe transformations between mechanical potential energy … Read more

Energy Transfer Learning Objective In this lesson we will look at how different types of kinetic energy are transferred. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by ‘energy transfer’. Describe how mechanical kinetic energy is transferred between objects. Describe how thermal energy is transferred by … Read more

Potential Energy Learning Objective In this lesson we will look at the main types of potential energy: gravitational potential, energy, elastic potential energy, electrical potential energy, chemical energy and nuclear energy. Learning Outcomes By the end of this lesson you will be able to: Define ‘potential energy’. Describe gravitational potential energy, with examples. Describe elastic … Read more

Kinetic Energy Learning Objective In this lesson we will look at the main types of kinetic energy: mechanical kinetic energy, thermal energy, radiant energy, sound energy and electrical kinetic energy. Learning Outcomes By the end of this lesson you will be able to: Define ‘kinetic energy’. Describe mechanical kinetic energy, with examples. Describe thermal energy … Read more

Introduction to Energy Learning Objective In this lesson we will learn what energy is and look at the two main categories of energy. We will also learn how energy can move between objects and be converted into different forms. Learning Outcomes By the end of this lesson you will be able to: Define ‘energy’. Name … Read more

Branches of Science Learning Objective In this lesson we will learn about the five branches of science that are studied in high school. Learning Outcomes By the end of this lesson you will be able to: Give a general description of the types of topics studied in chemistry, physics, biology, Earth science and astronomy. Give … Read more