Laws of Motion Unit Part 4: Simple Machines

This unit includes 10 lessons (50 minutes each) and 19 pages of printable work bundles. The Work Bundles have students fill-in critical notes, conduct exciting hands-on activities, complete projects, answer questions, interpret graphs, includes games, built-in quizzes, and much more. The work bundles chronologically follow the detailed and interactive set of slideshows. A 20 question quiz game and crossword conclude for a great review and additional assessment. Answer Keys, materials list, video links, built-in quizzes, step by step approach to learning, and much more are provided. Everything you need to run a fantastic learning experience is provided. Everything arrives in editable format if you want add in your own slides and activities, and the slideshows and work bundles can easily be converted into Google Slides / docs for friendly Google Classroom learning.

The Simple Machines Unit contains 10 Lessons and 19 Page Work Bundle. This part explores machines and efficiency, includes an optional build a mousetrap car project. Each simple machine is covered, and a focus on efficiency and mechanical advantage. Students get good at calculated each simple machines mechanical advantage in a step by step process. Simple hands-on activities collect data using spring scales and use materials that are easily obtained in the classroom such as rulers, books, level surfaces, string, simple pulleys, and poster board for an inclined plane. All data and work is written in the chronological work bundle. Several assessment and some Rube Goldberg fun conclude. Everything you need to run a fantastic unit is provided.

More Details of this Unit: The 10 Part slideshow begins describing catapults and some of the force associated with them. A neat activity has the students construct a catapult with a plastic spoon. Trajectory is then introduced over a series of slides. Efficiency is then covered a series of step by step slides work students how to calculate efficiency. Some questions conclude that have the students follow the slideshow in their work bundle. The Mousetrap Car Project is then presented so students can begin construction. Teacher should provide mousetrap and screw eyes to students among other materials shown in the slideshow. Instructions on how to build the mousetrap car, rules, directions, and examples are all included in a step by step process. An activity starts off simple machines having the teacher flip a table over with the help of students. Student volunteers sit on top of the table and the students try and move the table. Then using some plastic PVC pipes the students move the giant load with ease using simple machines. This activity leads into the definition of simple machines. The first simple machine described is the pulley. The different types of pulleys are described and how to determine mechanical advantage. A visual quiz follows and the students need to identify the correct pulley and its mechanical advantage. An activity with directions and procedure follows that has students using Pulleys to determine Mechanical Advantage. Activity requires many small pulleys, spring scales, weights with hooks, and string. The lever is covered next with some step by step notes, and then different classes of levers explained as well as how to find MA. After a fun send something into orbit demonstration, students create a lever using a ruler, weight, crayola marker, and spring scale. Directions with visuals are provided. Students learn how the distance of the effort arm and resistance arm effect the Mechanical Advantage. Questions and follow-up with answers are provided. The wedge is covered next and students learn how to calculate MA. An activity that has the students trace some wedges (children's blocks work well) and determine the mechanical advantage. The wheel and axle is covered next in similar fashion. An activity where student use their spring scales and crayola marker to move a textbook across their table is described. Inclined Plane is covered in detail and neat activity has student using their spring scales again to see how the length / height changes MA (textbooks and cardboard will work for the ramp) The screw is then covered and students learn how to calculate MA in a series of word problems. A quiz follows where students need to identify the simple machine in a picture. Answers are provided after the quiz. The question is previewed one last time before the answer is revealed so the teacher can call upon students or table groups. Compound Machines are then covered, and directions for an activity that has students pop a balloon with several simple machines is provided. A series of video links to Rube Goldberg machines, presentation of the mousetrap cars, and a series of hidden box games conclude this PowerPoint. Mousetrap cars can then be presented on the final day dedicated to simple machines. This PowerPoint is as hands-on as PowerPoint can get. Most of the activities use classroom objects and spring scales to conduct exciting and challenging science. Please see the entire unit described below before purchasing this PowerPoint.

-Areas of Focus within The Motion and Machines Unit:-Newton’s First Law, Inertia, Friction, Four Types of Friction, Negatives and Positives of Friction, Newton’s Third Law, Newton’s Second Law, Potential Energy, Kinetic Energy, Mechanical Energy, Forms of Potential to Kinetic Energy, Speed, Velocity, Acceleration, Deceleration, Momentum, Work, Machines (Joules), Catapults, Trajectory, Force, Simple Machines, Pulley / (MA Mechanical Advantage), Lever / (MA), Wedge / (MA), Wheel and Axle (MA), Inclined Plane / (MA), Screw / (MA).

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