Simple Machine
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This document introduces the six types of simple machines: wedge, wheel and axle, lever, inclined plane, screw, and pulley. It describes how each machine works and provides everyday examples. Simple machines make work easier by reducing the amount of force needed to move or lift an object. Complex machines combine two or more simple machines to further increase mechanical advantage.
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Simple Machines Presentation
Simple machines are tools that make work easier. They include the lever, wheel and axle, pulley, inclined plane, wedge, and screw. Each machine allows us to lift, pull, push, cut or hold objects with less effort than using just our muscles alone.
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The document introduces the six simple machines: lever, inclined plane, wedge, screw, pulley, and wheel and axle. It explains that simple machines make physical tasks easier by changing the magnitude or direction of force. As an example, it describes how a screwdriver or wrench acts as a wheel and axle to make unscrewing a bolt or screw easier than using bare hands alone. The document concludes by stating that simple machines can be used for thousands of tasks from lifting heavy weights to powering boats, and make difficult jobs much simpler.
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This document defines simple and compound machines and describes the six simple machines: inclined plane, screw, wedge, lever, pulley, and wheel and axle. It provides examples of each machine, explaining how they work and their functions. Compound machines are defined as combinations of two or more simple machines and examples are given like tanks, engines, lathe machines, and cycles.
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This document defines and provides examples of six simple machines: lever, screw, pulley, wheel and axle, inclined plane, and wedge. It explains that simple machines make work easier by changing the direction or amount of force needed, though they do not decrease the total work. Examples are given for each machine type to illustrate how they function and are used.
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Simple Machines Presentation
Simple machines are tools that make work easier. They include the lever, wheel and axle, pulley, inclined plane, wedge, and screw. Each machine allows us to lift, pull, push, cut or hold objects with less effort than using just our muscles alone.
Teacher Simple Machine Powerpoint
The document introduces the six simple machines: lever, inclined plane, wedge, screw, pulley, and wheel and axle. It explains that simple machines make physical tasks easier by changing the magnitude or direction of force. As an example, it describes how a screwdriver or wrench acts as a wheel and axle to make unscrewing a bolt or screw easier than using bare hands alone. The document concludes by stating that simple machines can be used for thousands of tasks from lifting heavy weights to powering boats, and make difficult jobs much simpler.
Simple & compound machines
This document defines simple and compound machines and describes the six simple machines: inclined plane, screw, wedge, lever, pulley, and wheel and axle. It provides examples of each machine, explaining how they work and their functions. Compound machines are defined as combinations of two or more simple machines and examples are given like tanks, engines, lathe machines, and cycles.
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Here are the answers:
Lever: bolt, bottle opener, broom, doorknob, knife, ax, steering wheel
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2. Do not burn wastes and instead dispose of them properly through composting, mulching yard waste, or using waste collection and recycling programs.
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This document discusses a lesson on materials that float and sink. Students are divided into groups and given various objects like pencils, coins, and erasers to predict and test whether they will float or sink. Key points made include that metals like coins and paper clips sink because they are dense, while wood items like pencils and popsicle sticks float. Rubber bands and crayons may float initially but then sink. The lesson reinforces that an object's density and material determine if it will float or sink in water.
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SC 6 5.7 simple machines-powerpoint
A week-long powerpoint I used to teach my 6th grade students about Simple Machines! Modify it as you please.
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Gravity is a force that pulls everything down to the ground and keeps objects on Earth, though it cannot be seen. Weight measures the strength of gravity's pull on an object, with more massive objects experiencing a stronger pull. Friction is the force that occurs when two objects rub together, causing them to slow down, and can be increased or decreased depending on the materials, with oil reducing friction and rubber or sandpaper increasing it.
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HABITAT is an ecological or environmental area that is inhabited by a particular species of
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exoskeleton while other animals like clams and mussels are covered with shells. Some animals are
covered with fur to keep them warm like monkey, lion, horse, and cheetah. Some animals that found in
the locality are carabao, cow, goat, dog and cat. Others are covered with feathers for flying like chicken,
eagle, peacock, and duck. Some have smooth skin for breathing like earthworm. Most body coverings
of animals are for protection.
Animals move differently depending on their habitat and their body structures. Some animals have
legs for walking and some have wings for flying. Animals that live on land move in different ways.
Some walk, hop and jump. Most animals that live in water swim. But some aquatic animals have legs,
too, for walking like crustaceans, shrimps, prawns, and crabs. Animals that can live both in water and
on land can either walk, hop, jump, or swim. Some animals used the following body structures to adapt
and survive: horns, tails, claws, paws, fangs, pincers, beaks, sticky tongue, movable jaws, sucking tubes,
and teeth.
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This document discusses the different types of simple machines: levers, pulleys, inclined planes, screws, wedges, and wheels and axles. It describes the key components and functions of each machine. First class, second class, and third class levers are explained as well as how their configurations determine mechanical advantage. Pulleys can be fixed, movable, or used in combination. Inclined planes reduce the force needed to overcome gravity. Screws use threads to convert rotational motion to linear motion. Wedges increase force by changing the direction of an input force. Wheels and axles function as a rotating lever with the axle as the fulcrum.
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Simple Machine
- 2. What are they? Simple machines are machines with few or no moving parts that are used to make work easier
- 3. Types of Simple Machines Wedge Wheel and Axle Lever Inclined Plane Screw Pulley
- 4. Wedge • Pushes materials apart, cuts things • Examples: axe, doorstop, chisel, nail, saw, jackhammer, bulldozer, snow plow, horse plow, zipper, scissors, airplane wing, knife, fork, bow of a boat or ship
- 5. Wheel and Axle • Makes it easy to move things by rolling them, and reducing friction • Examples: car, bicycle, office chair, wheel barrow, shopping cart, hand truck, roller skates
- 6. Lever • Makes lifting weight easier by using a fulcrum to redirect force over a longer distance • Examples: see-saw, dump truck, broom, crane arm, hammer claw, crow bar, fishing pole, screwdriver, bottle opener
- 7. Inclined Plane • Makes it easier to move objects upward, but you have to go further horizontally • Examples: highway or sidewalk ramp, stairs, inclined conveyor belts, switchback roads or trails
- 8. Screw • • • • Turns rotation into lengthwise movement Takes many twists to go a short distance Holds things together Examples: screws, bolts, clamps, jar lids, car jack, spinning stools, spiral staircases
- 9. Pulley • Makes lifting things with a rope easier by redirecting force and the addition of additional pulleys • Examples: flag pole, elevator, sails, fishing nets, clothes lines, cranes, window shades and blinds, rock climbing gear
- 10. Why Use Simple Machines? For the mechanical advantage… • Making something easier to do, but it takes a little longer to do it • For example, going up a longer flight of stairs instead of going straight up a ladder
- 11. Complex Machines • Combining two or more simple machines to work together • Examples: – Car jack combines wedge and screw – Crane or tow truck combines lever and pulley – Wheel barrow combines wheel and axle with a lever
- 12. Summary Wedge Pushes material apart, cuts Wheel and Axle Makes it easy to move things by rolling them, and reducing friction Lever Helps lift heavy weights using longer distances Inclined Plane Makes it easier to move objects upward; a longer path, but easier lifting Screw Turns rotation into lengthwise movement Pulley Makes lifting heavy weights easier by redirecting force
- 13. References All images © Copyright © 2004 Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399 USA. All rights reserved. Except for image below, which was created by the ITL Program, College of Engineering and Applied Science, University of Colorado at Boulder.