Friction - Results Tables is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

<p>The investigation into whether mass affects friction is meticulously chronicled through a series of results tables. These tables detail the frictional force, measured in Newtons (N), against varying masses, recorded in grams (g), across different surfaces such as plastic desktops, woollen carpets, wooden floors, concrete yards, and aluminium foil. The data is arranged to show how the frictional force changes as the mass increases from 0 to 50 grams. This setup allows for a clear analysis of the relationship between mass and the amount of friction experienced on different materials.</p>

<p>Another aspect of the study explores the frictional differences across various materials. Here, the distance, measured in centimetres (cm), that an object travels is recorded over three attempts, along with the calculated average distance. The surfaces tested include aluminium, bubble wrap, paper, carpet, wood, and concrete. Additionally, there's an inquiry into the performance of balloon-powered cars, where the distance travelled by the cars, measured in metres (m), is noted over three attempts on surfaces such as wood, carpet, lino, concrete, foil, and paper. This part of the investigation also examines the effect of mass on the distance travelled, with masses ranging from 10 to 60 grams. These comprehensive observations provide insight into how both mass and surface material can influence the amount of friction encountered.</p>

Friction - Lesson Plan is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Friction - Lesson Plan

Friction - Teacher Explanation is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Teacher Explanation

Friction - Teacher Explanation

Friction - Presentation is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Friction - Presentation

Friction - Objectives Labels is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Objectives Labels

Friction - Objectives Labels

Friction - Self Assessment is part of the lesson Friction    Students will learn about friction as part of their learning about forces, as specified by the national curriculum in England: science programmes of study.

Self Assessment

Friction - Self Assessment

<p>In this lesson, students will learn about the effects of friction on moving surfaces. The objective of this lesson is for students to be able to identify that friction occurs when two surfaces slide against each other, understand that friction slows objects down, and describe the relationship between the amount of friction and the rate of deceleration. This lesson aligns with the Year 3 science curriculum on Forces and Magnets and has cross-curricular links to Design and Technology and Mathematics. </p> <p>Students will be introduced to the science behind friction through a teacher demonstration of the "Handkerchief and the Cup" activity. They will then participate in the "Does Mass Affect Friction?" activity where they will test the amount of friction on different surfaces with varying amounts of mass. The results of this experiment can be graphed for mathematical analysis. </p> <h2>Misconceptions and Corrections</h2> <p>It is important to note that students may have misconceptions about friction. Some students may think that lubricants eliminate friction, when in reality, they only reduce friction. Additionally, students may believe that friction is not useful when in fact, it is essential in slowing down machines. Finally, students may believe that smooth surfaces have no friction when all materials show friction to a certain extent.</p> <h2>Keywords</h2> <ul> <li>Friction</li> <li>Decelerate</li> <li>Smooth</li> <li>Rough</li> <li>Surface</li> </ul> <h2>Influential Scientists</h2> <p>This lesson highlights the work of several influential scientists in the field of friction including Leonardo da Vinci, Guillaume Amontons, Charles Augustin de Coulomb, Charles Hatcbett, Theodor Reye, and David Tabor.</p> <h2>Important Lesson Guidance</h2> <p>It is important to note that before the lesson, you will need to collect 32 plastic bottle caps and punch holes in the center of each cap. The "Does Mass Affect Friction?" activity requires materials such as Tupperware tubs, masses, string, force meters, a 100ml measuring cylinder, and aluminium foil. The experiment is performed in groups of four and the results can be recorded in a table for analysis. It is important to keep the balloon cars for Lesson 5.3. </p>

Friction

Science

Year 5

Forces

Friction - Results Tables

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