Electricity

Samacheer Book Back Questions And Answers For Science Standard 6 Term 2 “Electricity“

I. Choose the correct answer:
1. The device which converts chemical energy into electrical energy is _____.
(a) Fan
(b) Solar cell
(c) Cell
(d) Television

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

3. Choose the symbol for battery

Answer: a

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

Answer: d

5. _____ is a good conductor
(a) Silver
(c) Rubber
(b) Wood
(d) Plastic

II. Fill in the Blanks:
1. _____ are the materials which allow electric current to pass through them.
2. 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. Electric current
3. Key
4. Positive
5. Battery

III. True or False. If False, give the correct answer:
1. In a parallel circuit, the electricity has more than one path.
2. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.
3. The switch is used to close or open an electric circuit.
4. Pure water is a good conductor of electricity.
5. Secondary cell can be used only once.

Answers:
1. True
2. False (Negative terminal is connected to positive terminal)
3. True
4. False (Pure water is an insulator)
5. False (Secondary cells can be used many times)

IV. Match the following:

Answers:
1. Battery
2. Bulb does not glow
3. Open key
4. Bulb glows
5. Cell

V. Arrange in Sequence:

Answer:
A DEVICE THAT CONVERTS CHEMICAL ENERGY INTO ELECTRICAL ENERGY IS CALLED A CELL.

VI. Give Very Short Answers:
2. Assertion (A): It is very easy for our body to receive 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.

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