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A _____ is a machine which looks like a nail with grooves cut into it.

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Important Questions on Simple Machines

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A _____ holds two objects firmly together.
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The doorknob is an example of wheel and axle.
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Find four types of simple machines from the following word puzzle.

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Complete the above web chart.

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Name five simple machines.
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Identify the type of machine shown in the following cases.

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Environmental Studies>Physical Science>Simple Machines>Screw
Choose from the box. Name the worker who works with
PAINTER
ELECTRICIAN
CARPENTER
ARCHITECT
MASON
Bricks, cement, and water. _____
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Environmental Studies>Physical Science>Simple Machines>Screw
Iron is a
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What are simple machines?
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Environmental Studies>Physical Science>Simple Machines>Screw

Choose the right word from the given options:

Simple machines are of _____ (two, six) types.

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Environmental Studies>Physical Science>Simple Machines>Screw
See-saw is an example of 
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Environmental Studies>Physical Science>Simple Machines>Screw
This is used to open lids.
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Name the different types of simple machines.
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Environmental Studies>Physical Science>Simple Machines>Screw
What is a wedge? 
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Only complex machines make our work easier.
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Environmental Studies>Physical Science>Simple Machines>Screw
We must get the cracked wires repaired by a plumber.   
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Environmental Studies>Physical Science>Simple Machines>Screw
Cotyledons are also called-
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Environmental Studies>Physical Science>Simple Machines>Screw

Children are forced to work in a dark and dingy environment which affects their health.

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Environmental Studies>Physical Science>Simple Machines>Screw
There are heavy loads which have to be loaded in the truck. Which machine will you choose for this work?
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Environmental Studies>Physical Science>Simple Machines>Screw
Which simple machine can hold things together?