FA 2 / PT 3 / CLASS 6A+ / SCIENCE
An electric cell has _______ terminals.
Two
Three
One
Four
Material which do not allow electric current to pass through is called as,
Insulator
Conductor
Both insulator and conductor
None of these
What is the name of the terminal shown in given figure of battery?
Negative
Positive
Neutral
None of these
A simple device that is used to break or complete the electric circuit is called as,
Switch
Bulb
Wire
Cell
The thin wire that gives off light is called as ___________.
Filament
Wire
Terminals
None of these
Which one of the following is a reversible change?
Melting of ice-cream
Cooking of food
Burning of wood
None of these
Which one of the following is irreversible change?
Folding of paper
Stretching of rubber band
Burning of paper
None of these
Which one of the following is physical change?
Growth of the plant
Tearing of paper
Cooking of food
None of these
Dissolution of salt in water is which one of the following types of change?
Reversible change
Irreversible change
Physical change
None of these
Which one of the following is odd one out?
Blowing of balloon
Folding of paper
Making chapati
Drying of wet clothes
What is the name of the process when ice changes to water?
Melting
Condensation
Evaporation
None of these
When we touch live wire carrying current, we get shock. This is because our body is a ____________.
Good Conductor of electricity
Bad conductor of electricity
Source of electricity
None of these
Among these which is bad conductor of electricity?
Air
Water
Iron nail
Metal key
Why are the electric wires used in homes usually covered in plastic or rubber covering?
To prevent shocking
To prevent rusting
It looks good
None of these
Which metal is used for making electric wires?
Copper
Iron
Graphite
None of these
What type of sign below figure indicate?
Skeleton
Danger
Skull
None of these
Who was the first person to invent electrical bulb?
Thomas Alva Edison
Isaac Newton
Albert Einstein
None of these
What is the name of the thin coil present inside the bulb?
Filament
Rubber
Wire
Rod
19. Sameer is running short of connecting wires. To complete an electric circuit, he may use a,
Glass bangle
Thick thread
Rubber pipe
Steel key
20. Choose from the option (a), (b), (c) and (d) given below, the figure which shows the correct direction of current.
Figure (a)
Figure (b)
Figure (c)
Figure (d)
II. SHORT ANSWER TYPE QUESTION
1. A fused bulb does not glow. Why? (2)
2. Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain. (2)
3. What is electric circuit? Draw electric circuit also label the parts. (3)
II. SHORT ANSWER TYPE QUESTION
1. A fused bulb does not glow. Why? (2)
2. Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain. (2)
3. What is electric circuit? Draw electric circuit also label the parts. (3)
4. a) Complete the drawing shown in figure shown below to indicate where the free ends of the two wires should be joined to make the bulb glow. (Re-draw the diagram) (3)
b) Would the bulb glow if eraser is used instead of safety pin? Explain
4. a) Complete the drawing shown in figure shown below to indicate where the free ends of the two wires should be joined to make the bulb glow. (Re-draw the diagram) (3)
b) Would the bulb glow if eraser is used instead of safety pin? Explain
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