Grade 6 Science 3rd Quarter SIMPLE MACHINES.pptx

Grade 6 Science 3rd Quarter SIMPLE MACHINES.pptx

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  Characteristics and Uses ofSimple Machines
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  MCanipulate simple machines todescribe their characteristics and uses (S6FE-IIIg-i-3)
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  OBJECTIVE 1. Describe thecharacteristics and uses of simple machines;
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  2. Manipulate thedifferent simple machines; 3. Show appreciation on the importance of simple machines to daily life
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  REVIEW LookWat the pictures. Identifywhat kind of energy they have.
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  Last week, youlearned the different forms of energy which are mechanical, electrical, chemical, light , and heat energy.
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  Today we willbe moving on to our new lesson. Sit properly, and listen quietly as you watch this video. The Simple Machines Song | Science Songs | Scratch Garden - Y ouTube
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  QUESTIONS 1. What isthe song all about? 2. Why do people invented simple machines?
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  3. What arethe example of simple machines according to the video?
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  4. Do youthink simple machines are important to you as student? 5. Why? Why not?
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  SIMPLE MACHINES Simple machinesare tools that we use every day in school, at the park, and at home. These tools make our work easier and faster.
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  KINDS OF SIMPLE MACHINESAND EXAMPLES
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  1. LEVER - isa simple machine that can be used to lift objects easily. The lever has three parts: fulcrum, load, and effort.
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  EXAMPLES OF LEVER TongStapler
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  Wheelbarrow Tweezer
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  Can opener Fishingrod
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  Is there anythingthat you want to add in the example of lever?
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  2. Screw A longinclined plane wrapped around a shaft.
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  S EXAMPLES OF SCREW Jar’slid Bolt
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  Bulb Bottles’ lid
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  Cork screw Screwpump
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  Do you thinkpulley is important in our everyday lives? Why?
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  3. Pulley A wheelcarries a flexible rope, cord, cable, chain, or belt on its rim. It rotates freely.
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  EXAMPLES OF ULLEY P Constructionsequipment Theater curtain
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  Elevator Well
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  Sailboat’s rope Flagpole
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  4. Wheel andAxle Made up of a circular frame (wheel) that revolves on a shaft or rod (axle).
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  EXAMPLES OF WHEEL ANDAXLE Egg beater Steering Wheel
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  Pizza cutter DoorKnob
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  Ferris Wheel Wheelsof bag/chair
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  5. Wedge Objects withtwo inclined planes positioned back to back that tapers to a thin edge.
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  EXAMPLES OF Scissors Pushpin WEDGE
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  Saw Cheese grater
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  Peeler Knife
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  6. Inclined Plane Aflat surface raised at an angle (sloping or slanting) surface, looks like a ramp.
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  EXAMPLES OF INCLINED PLANE Road’sslope and hills Slide
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  Ramp Stairs
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  What do youthink might happen if simple machines were not invented?
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  REMEMBER Simple machines areimportant because it makes our work easier and they are part of our everyday life.
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  REMEMBER Simple machines havetheir own importance and uses.
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  Activity 1 Identify theuses of the following simple machines.
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  Activity 2 Give anexample on the following kinds of simple machines. Raise your hand and wait to be called.
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  1. Inclined Plane 2.Wedge 3. Wheel and axle
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  4. Pulley 5. Lever 6.Screw
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  Activity 3 Cite atleast five (5) activities at home using simple machines. Identify the simple machine/s used. Write your answers on a separate sheet of paper.
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  ACTIVITIES SIMPLE MACHINE/S USED
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  Activity 4 Identify thesimple machine that is needed to do each task.
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  1.Transferring a refrigerator tothe kitchen 2.Sweeping the dried leaves in the yard. 3. Raising the flag up to pole.
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  4. Fishing 5. Slicinga loaf of bread 6.Lifting a pail of mixed cement up the rooftop
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  7. Opening acan of sardines 8. Cutting the trunk of a big tree 9. Gardening in the school yard 10.Cutting wire for the clothesline
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  GENERALIZATION Why do weneed simple machines in our everyday life?
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  Activity 5 Classify thefollowing simple machines listed inside the box according to its type.
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  1.bolt 2. bottle opener 3.bulb 4.doorknob 5.flagpole 6.elevator 7.ramp 8.knife 9.stapler 10.jar’slid
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  THANK YOU