Archives: Lessons

Earth’s Climate Learning Objective In this lesson we will discuss the main factors contributing to Earth’s climate. Learning Outcomes By the end of this lesson you will be able to: Distinguish between weather and climate. Discuss factors contributing to the uneven distribution of solar energy on Earth. Describe how convection cells redistribute heat energy. Describe … Read more

Human Impacts on the Carbon Cycle Learning Objective In this lesson we will describe the main effects that humans have had on the carbon cycle and discuss some of their consequences. Learning Outcomes By the end of this lesson you will be able to: Describe how human activity has affected the global carbon cycle. Describe … Read more

The Slow Carbon Cycle Learning Objective In this lesson we will discuss the main processes that make up the slow carbon cycle. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by the term ‘slow carbon cycle’. Describe the main processes that make up the slow carbon … Read more

The Fast Carbon Cycle Learning Objective In this lesson we will discuss the main processes that make up the fast carbon cycle. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by the term ‘fast carbon cycle’. Describe the main processes that make up the fast carbon … Read more

Carbon Reservoirs Learning Objective In this lesson we will discuss the distribution of carbon within the Earth system. Learning Outcomes By the end of this lesson you will be able to: Describe the distribution of carbon in the lithosphere, hydrosphere, atmosphere and biosphere. Compare the relative distribution of carbon between different reservoirs. Compare long-term and … Read more

Interactions Between Earth’s Spheres Learning Objective In this lesson we will learn how matter and energy move within and between Earth’s spheres. Learning Outcomes By the end of this lesson you will be able to: Give examples of how Earth’s spheres overlap and interact. Describe the movement of matter within and between Earth’s spheres, with … Read more

The Earth System Learning Objective In this lesson we will look at the four main spheres making up the Earth system. Learning Outcomes By the end of this lesson you will be able to: Identify the main spheres making up the Earth system. Describe the following spheres: The lithosphere The hydrosphere The atmosphere The biosphere … Read more

Gears and Drives Learning Objective In this lesson we will learn how gear drives, belt drives and chain drives transfer forces and motion. Learning Outcomes By the end of this lesson you will be able to: Explain what is meant by ‘mechanical power transmission’. Describe gear drives, belt drives and chain drives and discuss how … Read more

Reproduction in Animals Learning Objective In this lesson we will learn about different sexual reproduction strategies in animals. Learning Outcomes By the end of this lesson you will be able to: Discuss how sexual reproduction varies for different types of animals. Compare internal and external fertilisation. Compare internal and external development, including viviparity, oviparity and … Read more

Reproduction in Plants Learning Objective In this lesson we will learn about reproduction in plants, in particular, flowering plants. Learning Outcomes By the end of this lesson you will be able to: Describe the parts of a flower, including male and female reproductive structures. Describe pollination and fertilisation in flowering plants. Describe seeds and the … Read more

The pH Scale Learning Objective In this lesson we will discuss how acidity is measured and how it can be adjusted. Learning Outcomes By the end of this lesson you will be able to: Describe how pH is a measure of the acidity or alkalinity of a solution, and explain how it can be adjusted. … 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