Class 6 Exam  >  Class 6 Notes  >  DIY Science Fun: Cool School Projects  >  Worksheet: Electricity Projects - 3

Worksheet: Electricity Projects - 3 | DIY Science Fun: Cool School Projects - Class 6 PDF Download

Fill in the Blanks

Q1: Electric motors convert __________ energy into __________ energy.

Q2: The flow of electric charge is known as __________.

Q3: In an electric motor, a __________ field is used to produce rotational motion.

Q4: The purpose of safety pins in the electric motor project is to __________ the magnets in place.

Q5: Insulated copper wire is used to ensure that __________ flows efficiently through the wire.

Q6: The unit of electric current is __________.

Q7: A device that maintains a constant voltage in an electric circuit is called a __________.

Q8: The SI unit of electric power is __________.

Q9: __________ is a good conductor of electricity.

Q10: __________ is used to break an electric circuit.

Multiple-Choice Questions (MCQs)

Q1: What is the function of a commutator in an electric motor?
(a) To supply power
(b) To reverse the direction of current
(c) To increase resistance
(d) To decrease resistance

Q2: Which of the following is a good insulator of electricity?
(a) Copper
(b) Aluminum
(c) Plastic
(d) Silver

Q3: What happens to the resistance in a conductor as its temperature increases?
(a) Resistance decreases
(b) Resistance remains constant
(c) Resistance increases
(d) Resistance becomes zero

Q4: The flow of electric charge is measured in:
(a) Amperes
(b) Volts
(c) Watts
(d) Ohms

Q5: What is the purpose of a fuse in an electric circuit?
(a) To increase current
(b) To decrease resistance
(c) To break the circuit in case of excessive current
(d) To regulate voltage

True and False

Q1: True/False: DC motors can run on both direct current (DC) and alternating current (AC).

Q2: True/False: An electromagnet loses its magnetism when the electric current is switched off.

Q3: True/False: Voltage is the force that pushes electric current through a conductor.

Q4: True/False: Parallel circuits offer only one pathway for the electric current to flow.

Q5: True/False: Resistance in a circuit is measured in ohms.

Short Answer Questions

Q1: Explain the concept of electromagnetism and its applications.

Q2: Describe the difference between series and parallel circuits.

Q3: What is Ohm's Law, and how is it represented mathematically?

Q4: How does an electric motor work, and what are its key components?

Q5: Define electric power and its SI unit. How is it calculated in a circuit?

Q6: Discuss the safety precautions one should take while working with electricity.

Q7: Explain how a simple electric motor operates, detailing the role of each component.

Q8: Describe the process of generating electricity in a power plant.

Q9: What are conductors and insulators in terms of electricity? Provide examples of each.

Q10: Discuss the advantages and disadvantages of using electricity as a source of energy.

You can access the solutions to this worksheet here.

The document Worksheet: Electricity Projects - 3 | DIY Science Fun: Cool School Projects - Class 6 is a part of the Class 6 Course DIY Science Fun: Cool School Projects.
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