Post Icon

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!


  • Digg
  • StumbleUpon
  • Reddit
  • RSS


Post a Comment