<?xml version="1.0" encoding="UTF-8"?>
<tem xmlns="http://www.teachengineering.org/tem/elements/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.teachengineering.org/tem/elements/1.0/ http://www.teachengineering.org/schemas/tem.xsd"><identifier>http://www.teachengineering.org/view_lesson.php?url=collection/cub_/lessons/cub_simp_machines/cub_simp_machines_lesson01.xml</identifier><docType>lesson</docType><format>text/xml</format><language/><title>The Advantage of Machines</title><creator>Integrated Teaching and Learning Program, </creator><keywords><keyword>energy</keyword><keyword>inclined plane</keyword><keyword>lever</keyword><keyword>pulley</keyword><keyword>screw</keyword><keyword>simple machine</keyword><keyword>wedge</keyword><keyword>wheel</keyword><keyword>work</keyword><keyword>mechanical advantage</keyword></keywords><vocabulary><word>Force</word><word>Joule</word><word>Meter</word><word>Metric Units</word><word>Newton</word><word>Simple Machine</word><word>Work</word></vocabulary><summary>In this lesson, students learn about work as defined by physical science and see that work is made easier through the use of simple machines. Already encountering simple machines everyday, students will be learn about their widespread uses in improving everyday life. This lesson serves as the starting point for the Simple Machines Unit.</summary><engrConnection>Simple machines are the building blocks for many of the mechanical devices – both ancient and very modern – used by society for improving everyday challenges. Both high- and low-tech cultures use simple machines to accomplish daily tasks and improve our lives. Engineers draw upon their understanding of the six simple machines when they are inventing new, or refinining existing, machines.</engrConnection><learningObjectives><learningObjective>Recognize and identify the six simple machines.</learningObjective><learningObjective>Define the concept of work.</learningObjective><learningObjective>Explain why engineers are interested in simple machines.</learningObjective></learningObjectives><timeRequired unit="minutes">20</timeRequired><publisher>TeachEngineering.org</publisher><contributors><contributor>Melissa Straten</contributor><contributor>Glen Sirakavit</contributor><contributor>Michael Bendewald</contributor><contributor>Malinda Schaefer Zarske</contributor><contributor>Janet Yowell</contributor></contributors><eduStandards><eduStandard><id>S11416DD</id><locale>International_Technology_Education_Association-ITEA_STL_Standards</locale><type>Technology</type><description>F. Knowledge gained from other fields of study has a direct effect on the development of
technological products and systems.</description><lowgrade>6</lowgrade><highgrade>8</highgrade></eduStandard><eduStandard><id>S114172C</id><locale>International_Technology_Education_Association-ITEA_STL_Standards</locale><type>Technology</type><description>C. Many inventions and innovations have evolved using slow and methodical processes of
tests and refinements.
</description><lowgrade>6</lowgrade><highgrade>8</highgrade></eduStandard><eduStandard><id>S11424D2</id><locale>Colorado</locale><type>Science</type><description>a. Predict and evaluate the movement of
an object by examining the forces
applied to it
</description><lowgrade>8</lowgrade><highgrade>8</highgrade></eduStandard><eduStandard><id>S11424D3</id><locale>Colorado</locale><type>Science</type><description>b. Use mathematical expressions to
describe the movement of an object
</description><lowgrade>8</lowgrade><highgrade>8</highgrade></eduStandard><eduStandard><id>S1142658</id><locale>Colorado</locale><type>Math</type><description>a. Add, subtract, multiply and divide
rational numbers including integers,
positive and negative fractions and
decimals
</description><lowgrade>8</lowgrade><highgrade>8</highgrade></eduStandard><eduStandard><id>S11426CF</id><locale>Colorado</locale><type>Math</type><description>b. Use representations of linear functions
to analyze situations and solve
problems
</description><lowgrade>8</lowgrade><highgrade>8</highgrade></eduStandard></eduStandards><geoCoverage>United States</geoCoverage><rights>Copyright 2012 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder</rights><rights>http://www.teachengineering.org/policy_ipp.php</rights><isPartOf>http://www.teachengineering.org/</isPartOf><created type="W3CDTF">2011-01-06</created><gradeLevel lowerbound="7" upperbound="9">8</gradeLevel><audience>Teacher</audience></tem>

