Levers. Pulleys and Gears - Results Tables is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Exploring the mechanics of levers, an intriguing question arises: does the distance of the load from the fulcrum influence the effort required to lift it? To investigate this, a series of results tables are created, which meticulously record the effort in Newtons (N) against various distances from the fulcrum, measured in centimetres (cm). The tables start with a distance of 0 cm, incrementing by 10 cm all the way up to 100 cm, forming a comprehensive dataset for analysis. Each entry under the 'Effort (N)' column is set to be filled with the corresponding effort value, providing a clear visual representation of how effort changes with distance.

The structured layout of these results tables is designed to facilitate an empirical approach to understanding levers. By systematically varying the distance and measuring the effort, one can derive valuable insights into the relationship between the two variables. This methodical approach is crucial for students or investigators looking to comprehend the principles of physics that govern simple machines such as levers. The tables are repeated to underscore the importance of consistency and replication in scientific experiments, ensuring that the findings are reliable and the conclusion drawn about the effect of load distance on effort is well-supported by data.

Levers. Pulleys and Gears - Lesson Plan is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Levers, Pulleys and Gears - Lesson Plan

Levers. Pulleys and Gears - Teacher Explanation is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Teacher Explanation

Levers. Pulleys and Gears - Teacher Explanation

Levers. Pulleys and Gears - Presentation is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Levers, Pulleys and Gears - Presentation

Levers. Pulleys and Gears - Objectives Labels is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Objectives Labels

Levers. Pulleys and Gears - Objectives Labels

Levers. Pulleys and Gears - Self Assessment is part of the lesson Levers. Pulleys and Gears    Students will learn about levers. pulleys and gears as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Self Assessment

Levers. Pulleys and Gears - Self Assessment

In this lesson, students will learn about the basic concepts of levers, pulleys, and gears, and how they are used to make mechanical work easier. They will learn that by using these mechanisms, a smaller force can have a greater effect. The lesson will cover four main objectives: <ul> <li>State that machines can make mechanical work easier.</li> <li>Explain that the longer the lever, the less effort needed to lift a load.</li> <li>Explain that adding pulleys reduces the effort required to lift a load.</li> <li>Describe the effect of a larger cog on a smaller cog.</li> </ul> This lesson is suitable for students in year 3 who have already been introduced to forces and magnets. The lesson plan also has cross-curricular links with design and technology, mathematics, and history. Students will make a simple lever and graph their experimental results, and learn about the history of pulleys and their usage in ancient civilizations. The lesson plan includes activities that will help students understand the concepts of effort, load, energy, fulcrum, pivot, mechanical, pulley, gears, cog, and rotation. Influential scientists such as Archimedes, Hero of Alexandria, Franz Reuleux, and Simon Stevin will be introduced in the lesson. The teacher will need to purchase a gear set as it is not possible to make them in class. The class will participate in a demonstration to show the effort required to lift a load can be reduced by using pulleys. The lesson will also include an activity where students will learn how the classroom door functions as a lever and how the position of the fulcrum affects the effort required to move a load. In conclusion, this lesson is a comprehensive introduction to the basics of levers, pulleys, and gears and how they can be used to make mechanical work easier. Students will learn how simple machines work and be able to apply their understanding to real-world scenarios.

Levers. Pulleys and Gears

Science

Year 5

Forces

Levers. Pulleys and Gears - Results Tables

Pzaz is a specialist, primary science provider, with schemes written for the non-specialist primary teacher. Created by a science education expert, Pzaz covers every statement of the National Curriculum for Reception to Year 6.