Activity 4 Examine a pair of nail clippers


1 Look at the picture alongside and then draw a diagram of it.


2 Label each lever. 3 Write a detailed description of how they work together to cut a finger-nail.


Activity 5 Complete the crossword puzzle 1


3 4


2


5 6 7


8


9 Across


4 The balance point of a lever 5 An example of a first-class lever 7 Another name for the balance point 8 The letter A in MA means ………..


9 The length of space between two points Down


1 Levers give this type of advantage 2 When a see-saw is balanced the force on each side is the …….. 3 Another name for the lifting force


5 Scissors are an example of ……… first-class levers


6 A bar pivoted on a fixed point


Unit 1 Revise levers and gears 105


TERM 3


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38