FA 2 / PT 3 / CLASS 6A+ / SCIENCE

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

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

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

Who was the first person to invent electrical bulb?

Thomas Alva Edison

Isaac Newton

Albert Einstein

None of these

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

FA 2 / PT 3 / CLASS 6A+ / SCIENCE

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