Archives: Lessons

Earth’s Tilt – Day Length and Seasons Learning Objective In this lesson we will learn how Earth’s tilt affects day and night lengths and how it causes the seasons. Learning Outcomes By the end of this lesson you will be able to: Describe Earth’s tilt. Explain how Earth’s tilt results in: Different day and night … Read more

The Solar System Learning Objective In this lesson we will learn about the components of our solar system and how planets move through the solar system. Learning Outcomes By the end of this lesson you will be able to: Compare the geocentric and heliocentric models of the solar system. Define ‘planet’, ‘moon’ and ‘asteroid’. Describe … Read more

Non-Contact Forces Learning Objective In this lesson we will learn about three types of non-contact forces – gravity, magnetism and electrostatic forces. Learning Outcomes By the end of this lesson you will be able to: Explain what gravity is and describe how it affects the motion of objects. Discuss how gravitational force is related to … Read more

Balanced and Unbalanced Forces Learning Objective In this lesson we will learn about net force and compare balanced and unbalanced forces. Learning Outcomes By the end of this lesson you will be able to: Explain how most objects have more than one force acting on them, with examples. Define ‘net force’. Calculate net force for … Read more

Contact Forces Learning Objective In this lesson we will learn about three types of contact forces – friction, buoyancy and surface tension. Learning Outcomes By the end of this lesson you will be able to: Define ‘friction’ and explain how it relates to the motion of objects. Differentiate between kinetic and static friction, with examples. … Read more

Introduction to Forces Learning Objective In this lesson we will learn what forces are and how they affect objects. Learning Outcomes By the end of this lesson you will be able to: Define ‘force’. Describe how forces can cause a change in speed, direction or shape. Distinguish between push forces, pull forces and twist forces. … 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