Class 5 Exam  >  Class 5 Notes  >  Science Class 5  >  Worksheet: Work, Force, Energy and Simple Machines - 2

Work, Force, Energy and Simple Machines - 2 Class 5 Worksheet Science

Q1: Short answer questions.

(i) You have to load your suitcase onto a truck. You are not able to lift the suitcase. Which simple machine can help you do this? Why?

Work, Force, Energy and Simple Machines - 2 Class 5 Worksheet Science

(ii) A single fixed pulley does not reduce the effort required to lift a load. How does it make our work easier? 

(iii) How is wind energy more environment friendly than heat energy?

(iv) What is the law of conservation of energy?

(v) Does a screw join two pieces of wood better than a nail? How?
Work, Force, Energy and Simple Machines - 2 Class 5 Worksheet Science (vi) Name four different forms of energy. 

(vii) Why is geothermal energy referred to as a renewable source of energy? From where does most of the heat energy come?

(viii) Why are machines used? 

(ix) What are the three main parts of a lever?

(x) Can you give an example of a class 2 lever and explain how it functions?


Q2: Long answer questions.

(i) Write a note on wind energy and solar energy.

(ii) Differentiate between renewable and non-renewable energy. 

(iii) What is the difference between work and energy?
Work, Force, Energy and Simple Machines - 2 Class 5 Worksheet Science

(iv) What is a simple machine? Name some simple machines and draw diagrams too.

(v) Describe the characteristics and provide examples of each class of lever.

(vi) Explain the concept of a wheel and axle, providing examples of how it is used in everyday life.

The document Work, Force, Energy and Simple Machines - 2 Class 5 Worksheet Science is a part of the Class 5 Course Science Class 5.
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