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 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 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 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

Cell Division Learning Objective In this lesson we will learn about the process of cell division in unicellular and multicellular organisms. Learning Outcomes By the end of this lesson you will be able to: Explain why cell division takes place in unicellular and multicellular organisms. Give an overview of the process of cell division by … 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 and bacteria as unicellular or multicellular organisms. Compare the roles of … 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

Changes to Ecosystems Learning Objective In this lesson we will learn how ecosystems change due to natural events as well as human activity. Learning Outcomes By the end of this lesson you will be able to: Describe predator-prey cycles. Describe the ecological impacts of natural disasters such as drought and bushfires. Describe the ecological impacts … Read more

Energy Flow and Nutrient Cycling Learning Objective In this lesson we will learn how energy and nutrients are distributed within ecosystems. Learning Outcomes By the end of this lesson you will be able to: Define ‘producer’, ‘consumer’ and ‘decomposer’. Distinguish between primary, secondary and tertiary consumers. Describe food chains and food webs. Explain the loss … Read more

Ecological Interactions Between Organisms Learning Objective In this lesson we will learn about the main types of interactions between species in an ecosystem. Learning Outcomes By the end of this lesson you will be able to: Distinguish between intraspecific and interspecific interactions. Describe predation, herbivory, competition and symbiosis. Compare mutualism, commensalism and parasitism. Discuss ecological … Read more

Organisms and their Environment Learning Objective In this lesson we will learn about general ecological concepts including environment, niche, habitat and adaptations. Learning Outcomes By the end of this lesson you will be able to: Define ‘ecology’ and describe the levels of organisation it incorporates. Define ‘environment’ and give examples of biotic and abiotic factors. … Read more

Microorganisms and Disease Learning Objective In this lesson we will learn how infectious diseases are acquired and how the body responds to infection. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by the terms ‘microorganism’ and ‘pathogen’. Describe the different types of organisms that can cause … Read more

Homeostasis Learning Objective In this lesson we will learn how homeostasis is maintained by the nervous system and the endocrine system. Learning Outcomes By the end of this lesson you will be able to: Describe how negative feedback regulates the body. Describe how the nervous system regulates body temperature. Describe how the endocrine system regulates … Read more

The Endocrine System Learning Objective In this lesson we will learn about the structure and function of the endocrine system. Learning Outcomes By the end of this lesson you will be able to: Describe the general function of the endocrine system. List key endocrine glands and describe their function. Describe the role and function of … Read more

The Nervous System Learning Objective In this lesson we will learn about the structure and function of the nervous system. Learning Outcomes By the end of this lesson you will be able to: Describe the general function of the nervous system. Describe the basic structure of neurons and the function of the three main types. … Read more

Human Body Systems Learning Objective In this lesson we will overview the different human body systems, in particular, the nervous system, endocrine system and lymphatic system. Learning Outcomes By the end of this lesson you will be able to: List the basic inputs and outputs required by living organisms. Describe the general characteristics of living … 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