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Electricity and Circuits Class 6 Worksheet Science Chapter 9

Q1. Fill in the blanks:

i.                  do not allow current to pass through them.

Ans. Insulators

ii. Air is an               .

Ans. insulator

iii. Our body is a             conductor of electricity.

Ans. good

iv. The metal cap is the                      terminal of the electric cell.

Ans. positive

Q2. True/False:

i. Impure water can also conduct electricity.

Ans. True

ii. An electric cell produces electricity from the chemicals stored inside it.

Ans. True

iii. The metal disc is the positive terminal.

Ans.  False

iv. Brass is a conductor.

Ans.  True

v. Insulators allow current to pass through them.

Ans. False

Q3. Which device is used to open or close an electric circuit?

Ans. Electric switch

Q4. Who invented the first electric bulb?

Ans. Thomas Alva Edison invented the first electric bulb.

Q5. Who invented the first electric cell?

Ans. Alessandro Volta invented the first electric cell.

Q6. Which is the +ve terminal of a cell?

Ans. The metal cap is the positive terminal of the electric cell.

Q7. Which is the –ve terminal of a cell?

Ans. The metal disc is the negative terminal of the electric cell.

Q8. Who invented dry cell?

Ans. French chemist Georges Leclanche invented dry cell.

Q9. Define an electric switch.

Ans. A switch is a simple device that either breaks the circuit or completes it.

Q10. Where does the torch get electricity from?

Ans. Electricity to the bulb in a torch is provided by the electric cell.

Q11. Where does electricity come from?

Ans. A power station provides us with electricity.

Q12. How does an electric cell produce electricity?

Ans. An electric cell converts chemical energy into electricity.

Q13. Name the type of circuit in which switch is in ‘OFF’ position.

Ans. Open circuit

Q14. Can distilled water conduct electricity?

Ans. No, distilled or pure water does not conduct electricity.

Q15. Name the type of circuit in which switch is in ‘ON’ position.

Ans. Closed circuit or complete circuit

Q16. Can tap water or rain water conduct electricity?

Ans. Yes, tap water or rain water can conduct electricity.

Q17. What is a thin wire fixed in the middle of the glass bulb called?

Ans. A thin wire fixed in the middle of the glass bulb is called a filament.

Q18. What is a filament in a light bulb?

Ans. The thin wire that gives off light is called the filament of the bulb.

Q19. Write two examples of conductor and insulators.

Ans. Conductor – Copper and Aluminium

          Insulators – Plastic and Rubber

Q20. What is heating effect of current?

Ans. Heating caused due to conversion of electrical energy into heat energy is called heating effect of current.

The document Electricity and Circuits Class 6 Worksheet Science Chapter 9 is a part of the Class 6 Course Science Class 6.
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FAQs on Electricity and Circuits Class 6 Worksheet Science Chapter 9

1. What is electricity and how is it related to circuits?
Ans. Electricity is a form of energy that is caused by the flow of electric charge through conductors. Circuits are pathways that allow the flow of electricity. In a circuit, electricity flows from a power source, such as a battery, through wires and components, and then returns back to the power source, completing the circuit.
2. What is the purpose of a circuit breaker?
Ans. A circuit breaker is a safety device that is used to protect electrical circuits from damage caused by overloads or short circuits. It automatically shuts off the flow of electricity when it detects a fault in the circuit, preventing overheating and potential fires.
3. How does a switch control the flow of electricity in a circuit?
Ans. A switch is a device that can open or close a circuit by interrupting or allowing the flow of electricity. When the switch is closed, it completes the circuit and allows current to flow. When the switch is open, it breaks the circuit and stops the flow of current.
4. What are the different types of circuits?
Ans. There are two main types of circuits: series circuits and parallel circuits. In a series circuit, the components are connected in a single path, and the same current flows through each component. In a parallel circuit, the components are connected in multiple paths, and the total current is divided among the components.
5. How does resistance affect the flow of electricity in a circuit?
Ans. Resistance is a property of a material that opposes the flow of electric current. It is measured in ohms (Ω). Higher resistance in a circuit reduces the flow of current, while lower resistance allows more current to flow. Resistance can be controlled by using different materials or adding resistors to a circuit.
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