Archives: Lessons

Energy Transfer and Transformation Learning Objective In this lesson we will learn about the transfer, transformation and conservation of energy. Learning Outcomes By the end of this lesson you will be able to: State the law of conservation of energy. Differentiate between ‘energy transfer’ and ‘energy transformation’, with examples. Compare mechanical potential energy and kinetic … Read more

Mechanical Energy Learning Objective In this lesson we will learn about the two forms of mechanical energy – kinetic energy and potential energy. Learning Outcomes By the end of this lesson you will be able to: Define ‘energy’ and state the units for measuring energy. Define ‘mechanical energy’ and name the two main forms of … Read more

Work and Power Learning Objective In this lesson we will learn what the terms ‘work’ and ‘power’ mean in physics and how they can be calculated. Learning Outcomes By the end of this lesson you will be able to: Define ‘work’ and state the units for measuring work. Define ‘power’ and state the units for … Read more

Newton’s Third Law of Motion Learning Objective In this lesson we will learn about Newton’s third law of motion. Learning Outcomes By the end of this lesson you will be able to: State Newton’s third law of motion. Describe how Newton’s third law applies to stationary objects and moving objects, with examples. Identify the action … Read more

Newton’s Second Law of Motion Learning Objective In this lesson we will learn about Newton’s second law of motion. Learning Outcomes By the end of this lesson you will be able to: State Newton’s second law of motion. Describe how Newton’s second law applies to stationary objects and moving objects, with examples. Use Newton’s second … Read more

Newton’s First Law of Motion Learning Objective In this lesson we will learn about Newton’s first law of motion. Learning Outcomes By the end of this lesson you will be able to: State Newton’s first law of motion. Describe how Newton’s first law applies to stationary objects and moving objects, with examples. Define ‘inertia’ and … Read more

Overview of Forces and Newton’s Laws of Motion Learning Objective In this lesson we will review forces and introduce Newton’s three laws of motion. Learning Outcomes By the end of this lesson you will be able to: Define what a force is and explain how forces can affect objects. Distinguish between push, pull and twist … Read more

Measuring Motion Using a Ticker Timer Learning Objective In this lesson we will learn how to record the motion of an object using a ticker timer, and how to interpret the data. Learning Outcomes By the end of this lesson you will be able to: Describe how a ticker timer works. Explain how to measure … Read more

Speed-Time Graphs Learning Objective In this lesson we will learn how changes in speed can be represented graphically. Learning Outcomes By the end of this lesson you will be able to: Describe the layout of a speed-time graph. Describe how constant speed, increasing speed, decreasing speed and stationariness are represented on a speed-time graph. Describe … Read more

Distance-Time Graphs and Displacement-Time Graphs Learning Objective In this lesson we will learn how changes in distance and displacement can be represented graphically. Learning Outcomes By the end of this lesson you will be able to: Describe the layout of a distance-time graph. Describe how constant speed, changing speed and stationariness are represented on a … Read more

Acceleration Learning Objective In this lesson we will learn about the relationship between acceleration, speed and time. Learning Outcomes By the end of this lesson you will be able to: Define acceleration. Distinguish between positive acceleration and negative acceleration. Use the acceleration formula to calculate: Average acceleration Final speed Initial speed Change in speed Time … Read more

Distance and Displacement, Speed and Velocity Learning Objective In this lesson we will learn about the relationship between speed, distance and time. Learning Outcomes By the end of this lesson you will be able to: Distinguish between scalar and vector quantities. Distinguish between distance and displacement. Distinguish between speed and velocity. Distinguish between average speed … Read more

Human Impacts on Ecosystems Learning Objective In this lesson we will learn about some of the main ways human activity affects ecosystems. Learning Outcomes By the end of this lesson you will be able to: Describe the main human activities that impact ecosystems. Discuss how these different human activities affect ecosystems.   (Image: amissphotos, Pixabay) … Read more

Feeding Relationships Within Ecosystems Learning Objective In this lesson we will look at feeding relationships between organisms and how they transfer nutrients and energy within ecosystems. Learning Outcomes By the end of this lesson you will be able to: Distinguish between producers, consumers, detritivores and decomposers. Describe how food chains and food webs represent feeding … Read more

Interactions Between Organisms Learning Objective In this lesson we will learn about different types of interactions that occur between organisms. Learning Outcomes By the end of this lesson you will be able to: Distinguish between intraspecific and interspecific interactions. Describe predation, herbivory and competition, with examples. Define ‘symbiosis’. Differentiate between mutualism, commensalism and parasitism, with … Read more

Habitats, Adaptations and Niches Learning Objective In this lesson we will learn about three ecological concepts – habitats, adaptations and niches. Learning Outcomes By the end of this lesson you will be able to: Define ‘habitat’ and give examples of different types of habitats. Explain what an adaptation is and differentiate between anatomical, physiological and … Read more

Introduction to Ecology Learning Objective In this lesson we will be introduced to ecology – the study of living things and their environment. Learning Outcomes By the end of this lesson you will be able to: Define the terms ‘environment’, ‘ecosystem’, ‘biodiversity’ and ‘ecology’. Differentiate between ‘biotic’ and ‘abiotic’ environmental factors, with examples. Describe the … Read more

The Plant Kingdom Learning Objective In this lesson we will learn about the major plant groups. Learning Outcomes By the end of this lesson you will be able to: Describe vascular tissue, seeds and flowers. Discuss the defining characteristics of the following plant groups: Angiosperms (flowering plants) Gymnosperms (conifers and cycads) Pteridophytes (ferns) Bryophytes (mosses, … Read more

The Animal Kingdom – Invertebrates Learning Objective In this lesson we will learn about the major invertebrate animal groups. Learning Outcomes By the end of this lesson you will be able to: Define what an invertebrate is. Discuss the defining characteristics of the following invertebrate groups: Arthropods Molluscs Echinoderms Annelids Nematodes Platyhelminthes Cnidarians Porifera   … Read more