Simple Machines Review

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Presentation transcript:

Simple Machines Review

Define the word SIMPLE MACHINE. #1 Define the word SIMPLE MACHINE. Answer: A machine with few or no moving parts that makes work easier.

List the SIX Simple Machines. #2 List the SIX Simple Machines. Answer: wedge pulley inclined plane lever screw wheel and axle.

#3 What simple machine vocabulary word is described by the following: The “push or pull of an object” Answer: Force

#4 What simple machine vocabulary word is described by the following: A force that pulls objects toward the center of the Earth. Answer: Gravity

#5 What simple machine vocabulary word is described by the following: The action of one surface or object rubbing against another Answer: Friction

#6 What simple machine vocabulary word is described by the following: Many parts that work together Answer: system

Look at the picture … explain why this is an example of a system #7 Look at the picture … explain why this is an example of a system Answer: A system

What do you create when you rub your hands together? #8 What do you create when you rub your hands together? Answer: friction

#9 What simple machine vocabulary word is described by the following: What is done when a force moves a load from one place to another. Answer: Work

#10 Tell if this is an example of WORK or if it is NOT an example of work a baby sleeping soundly in bed Answer: not work

#11 Tell if this is an example of WORK or if it is NOT an example of work a man chopping wood Answer: work

#12 Tell if this is an example of WORK or if it is NOT an example of work a car broken down on the side of the road Answer: not work

#13 Tell if this is an example of WORK or if it is NOT an example of work a person standing still Answer: not work

#14 What do you call the force that makes it hard to push a book across a piece of sandpaper? Answer: Friction

Which simple machine is found on the cap of a water bottle? #15 Which simple machine is found on the cap of a water bottle? Answer: screw

On which type of simple machine would you find a fulcrum? #16 On which type of simple machine would you find a fulcrum? Answer: lever

What kind of simple machine is a wheel chair ramp? #17 What kind of simple machine is a wheel chair ramp? Answer: Inclined plane

What simple machine is shown below? #18 What simple machine is shown below? Answer: inclined plane

What is it called when force moves a load from one place to another? #19 What is it called when force moves a load from one place to another? Answer: work

What simple machine is this an example of? #20 What simple machine is this an example of? Answer: pulley

What simple machine is shown below? #21 What simple machine is shown below? Answer: screw

What simple machine is this an example of? #22 What simple machine is this an example of? Answer: wedge

#23 This teacher is having a hard time lifting the heavy weight. What could she do to make it easier? Answer: move the fulcrum closer to the heavy object

What simple machine is shown below? #24 What simple machine is shown below?   Answer: Wheel and Axle

What simple machine do you see in this picture? #25 What simple machine do you see in this picture? Answer: lever

What simple machine is this an example of? #26 What simple machine is this an example of? Answer: d

What simple machine do you see in this object? #27 What simple machine do you see in this object? Answer: wheel and axle

What simple machine is this an example of? #28 What simple machine is this an example of? Answer: d

What simple machine is part of this object? #29 What simple machine is part of this object? Answer: wedge

What is the force that makes it hard to push a book across the carpet? #30 What is the force that makes it hard to push a book across the carpet? Answer: friction

Why/how is a spool mobile a system? #31 Why/how is a spool mobile a system? Answer: The spoolmobile is a system because all the parts work together. For example, the rubber band holds the energy when it gets turned by the waster, coffee stirrer and straw. The spool helps the spool mobile roll forward because of its curved edges. When all these parts work together, the spool moble moves.