FIRST SEMESTER -2016 -2017
WORKSHEET- PHYSICS
GRADE : 6
Electricity and Circuits
LEVEL -1
A. Multiple choice questions:
1. Tiny coiled wire present inside an electric bulb is called ____________
(a) Element
(b) conductor (c) filament (d) insulator
2. Which of the following is not a good conductor of electricity
(a) Mercury (b) copper (c) plastic (d) aluminum foil
3. Combination of two or more cells in series is called _______________
(a) Dynamo (b ) transistor (c) battery (d) insulator
4. 2. Direction of electric current in the circuit is from
(a) Negative to Positive terminals (b) Positive the negative terminals
(c) Negative to negative terminals (d) Positive to neutral terminals.
5. Electricity will not flow through circuit if ___________________
(a) Circuit is complete
(b) Circuit is incomplete
(c)There is a key in the circuit
( d) Connector is covered with plastic.
B . Fill in the blanks :
1. A device that is used to break an electric circuit is called _______________
2. An electric cell has ___________ terminals.
3. Electric cell is a device which converts energy of chemicals into _____________
energy.
4.An electric ___________ is a continuous path along which current flows.
5. Rubber is a good example for electric ____________
D . Write two example for each of the following :
1. Sources of electric current –
2. Devices using batteries that gives out light- Conductors –
3. Electric insulators –
LEVEL- 2
F. Answer the following :
1. Why do electric wires have a plastic coating?
2. How will you classify key, foil, wooden block , plastic mug , note book , iron wheel,
rubber band etc as conductor or insulator ?
3. What are the requirements of an electrical circuit ? Give a diagrammatic representation
of an electric circuit .
4. You are using a bulb whose filament is broken .Will the bulb glow when connected
to battery ? Give reason
5.Define switch ?
LEVEL-3
6. Draw an electric circuit with three cells , bulb ,switch, and wires.
7. Define conductors and insulators with eg ?
8. Name the positive and negative terminals of the cell:
9. What produces electricity in an electric cell ?
G . Label the following :