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Unit 7 Worksheet D

 

B.Fill in the blanks with the correct answers.

1.A complex machine consists of several

________________________.

                                                                                                          
2.The usage of complex machine is to make work become

____________________ and______________________.


3.A wrist watch has ______________________and

_________________________.


4.The simple machines in the wheel barrow are   

______________________and ______________________.
 

5.A ______________________ has wheel and axle and screw.
   
Hi, boys and girls, you have learned the 7 simple machines and what the complex machine is. Let us complete the worksheet!

  
             

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