Work Force and Energy - Worksheets

 CBSE Worksheet-01

CLASS - IV EVS – Work, Force and Energy

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Answer the following questions:

1. Define force.

2. Define work.

3. Define energy.

4. What does the force makes the object to do?

5. Name five kinds of energy.

6. Can one form of energy be converted into another form?

7. How energy comes from sun?

8. What are fuels?

9. What are simple machines?

10. Name few simple machines you know.

CBSE Worksheet-01
CLASS - IV EVS – Work, Force and Energy
Answers

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1. Push and pull is called the force.

2. Work is done when an object is moved through a distance or the moving object is brought to rest or the direction of motion of a moving object is changed.

3. It is the capacity to do work.

4. Start moving, stop moving and change direction.

5. Solar energy, wind energy, chemical energy, nuclear energy and hydro energy are the five forms of energy.

6. Yes.

7. Energy from sun comes to us in the form of light and heat.

8. Wood, coal, petroleum and vegetable oils and animal fats are called fuels.

9. The tools which are used to exert force and make our work easier are called simple machines.

10. Inclined plane, screw, lever, pulley, wedge and wheel and axle are few simple machines.