Archives: Lessons

The Excretory System Learning Objective In this lesson we will learn about excretion in humans, in particular, the urinary system. Learning Outcomes By the end of this lesson you will be able to: Discuss the overall function of the excretory system. Describe different ways the human body removes waste. Describe the organs of the urinary … Read more

The Circulatory System Learning Objective In this lesson we will learn about the circulatory system in humans and compare it to other animals. Learning Outcomes By the end of this lesson you will be able to: Discuss the overall function of the circulatory system. Explain why the circulatory system in humans is a double circulatory … Read more

The Respiratory System Learning Objective In this lesson we will learn about the respiratory system in humans and compare it to other animals. Learning Outcomes By the end of this lesson you will be able to: Discuss the overall function of the respiratory system. Describe the organs of the respiratory system and discuss the role … Read more

The Digestive System Learning Objective In this lesson we will learn about the digestive system in humans and compare it to other animals. Learning Outcomes By the end of this lesson you will be able to: Discuss the overall function of the digestive system. Describe the steps involved in digestion. Describe the organs of the … Read more

Sexual and Asexual Reproduction Learning Objective In this lesson we will learn about the two main types of reproduction – sexual reproduction and asexual reproduction. Learning Outcomes By the end of this lesson you will be able to: Compare sexual and asexual reproduction and discuss the advantages and disadvantages of each. Compare the types of … Read more

Cell Division Learning Objective In this lesson we will learn about the process of cell division and its role in different types of organisms. Learning Outcomes By the end of this lesson you will be able to: Describe cell division and explain why it occurs. Compare cell division in prokaryotes and eukaryotes. Compare cell division … Read more

Unicellular and Multicellular Organisms Learning Objective In this lesson we will compare unicellular and multicellular organisms and look at different types of animal and plant cells. Learning Outcomes By the end of this lesson you will be able to: Classify animals, plants, fungi, protists, bacteria and archaea as unicellular or multicellular organisms. Compare the roles … Read more

Cells Learning Objective In this lesson we will learn how cells are the fundamental building blocks of all living things. Learning Outcomes By the end of this lesson you will be able to: Distinguish between unicellular and multicellular organisms. Describe components that are common to all cells. Differentiate between prokaryotic cells and eukaryotic cells. Define … Read more

Microscopes Learning Objective In this lesson we will learn about the different types of microscopes and how microscopy has advanced biological understanding. Learning Outcomes By the end of this lesson you will be able to: Compare light microscopes and electron microscopes. Compare compound microscopes and stereo microscopes. Compare scanning electron microscopes and transmission electron microscopes. … Read more

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’ and 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