Samacheer Kalvi 6th Science Term 2 Unit 2 Book Back Question and Answers:

Samacheer Kalvi 6th Standard Science Book Back 1 Mark and 2 Mark Question & Answers uploaded online and available PDF for free download. Class 6th New Syllabus Science Term 2 book back question & answer solutions guide available below for English Medium. Class sixth Std Science English Medium Term 2 Unit 2 Electricity book back answers given below. Students looking for class 6th Term II Unit 2 Physics Questions and Answers can check below.

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Samacheer Kalvi 6th Science Book Back Chapter 2 Term 2 Solutions Guide PDF:

TN State Board Class 6th Science Subject Term 2 Unit 2 one mark and two mark solutions guide PDF available below.

6th Science – Term 2

Unit 2: Electricity

I. Choose the appropriate answer.

1. The device which converts chemical energy into electrical energy is
(a) fan
(b) solar cell
(c) cell
(d) television
Answer: (c) cell

2. Electricity is produced in
(a) transformer
(b) power station
(c) electric wire
(d) television
Answer: (b) power station

3. Choose the symbol for the battery

Answer: (a)

4. In which among the following circuits does the bulb glow?

Answer: (d)

5. ……… is a good conductor
(a) Silver
(b) wood
(c) rubber
(d) plastic
Answer: (a) silver

II. Fill in the blanks.

1. _______ are the materials that allow an electric current to pass through them.
2.  The flow of electricity through a closed circuit is _______
3. _______ is the device used to close or open an electric circuit.
4. The long perpendicular line in the electrical symbol represents its _______ terminal.
5. The combination of two or more cells is called a _______

Answers:

1. conductors
2. a complete electric circuit
3. Key or Switch
4. positive
5. Battery

III. True or False. If False, give the correct statement.

1. In a parallel circuit, the electricity has more than one path.
Answer: True

2. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.
Answer: False.
To make a battery of two cells, the negative terminal of one cell is connected to the positive terminal of the other cell.
(OR)
To make a battery of two cells, the positive terminal of one cell is connected to the negative terminal of the other cells.

3. The switch is used to close or open an electric circuit.
Answer: True

4. Pure water is a good conductor of electricity.
Answer: False. Impure water is a good conductor of electricity

5. The secondary cell can be used only once.
Answer: False. Primary cells can be used only once

IV. Match the following :

Answer:

V. Arrange in sequence:

Answer:

A DEVICE – THAT CONVERTS – CHEMICAL ENERGY – IN TO – ELECTRICAL ENERGY – IS CALLED – A CELL

VI. Give Very Short Answers:

1. In the given circuit diagram, which of the given switch(s) should be closed, So that only bulb A glows?

Answer:
Switches K₁ and K₂ should be closed.

2. Assertion (A): It is very easy for our body to receive an electric shock.
Reason (R): Human body is a good conductor of electricity.
a. Both A and R are correct and R is the correct explanation for A.
b. A is correct, but R is not the correct explanation for A.
c. A is wrong but R is correct.
d. Both A and R are correct and R is not the correct explanation for A.
Answer: a. Both A and R are correct and R is the correct explanation for A.

3. Can you produce electricity from a lemon?
Answer:

1. We can produce electricity from lemon.
2. Take lemon as an electrolyte, a copper plate as a positive terminal, and a small hairpin as the negative terminal. This setup will work as a cell.
3. If we connect the electric bulb to it bulb will glow.

4. Identify the conductor from the following figures.

Answer:
The conductor is an Iron chain.

5. What type of circuit is there in a torchlight?
Answer:
A simple circuit is there in a torchlight.

6. Circle the odd one out. Give a reason for your choice.
Switch, Bulb, Battery, Generator.
Answer:
Generator. Switch, Bulb, Battery are the components used to make a simple circuit. The generator is used to generate electricity.

VII. Give Short Answers:

1. Draw the circuit diagram for the series connection.
Answer:

2. Can the cell used in the clock give us an electric shock? Justify your answer.
Answer:
No, The cell used in the clock cannot give us an electric shock. It produces the least amount of electric energy like 1.5 V.

3. Silver is a good conductor but it is not preferred for making electric wires. Why?
Answer: Silver is a good conductor. But it is a costly metal. So it is not preferred for making electric wire.

Other Important links for Class 6th Book Back Answers:

Tamil Nadu Class 6th Standard Book Back Guide PDF, Click the link – 6th Book Back Questions & Answers PDF

For all three-term of 6th standard Science Book Back Answers English Medium – Samacheer kalvi 6th Science Book Back Answers English Medium