Some natural phenomena 2

1.

Multiple Choice

30 sec

1 pt

The process of transfer of charges from a charged object to the earth is called

earthing

lightning

electron movement

oscillation motion

2.

Multiple Select

30 sec

1 pt

When two bodies are rubbed against each other, they acquire

Equal charge

like charge

unlike charge

unequal charge

3.

Multiple Choice

30 sec

1 pt

A device used to test whether an object is carrying charge or not is called ______.

Electrometer

Charge meter

Electroscope

Chargoscope

4.

Multiple Choice

30 sec

1 pt

Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by

cotton thread

plastic string

copper wire

rubber band

5.

Multiple Choice

30 sec

1 pt

The Phenomena of sparks in the Sky are called ___________

Thunder

Flashes

Lightening

Electricity

6.

Multiple Choice

30 sec

1 pt

When a glass rod is rubbed with a piece of silk cloth the rod

(a) and the cloth both acquire positive charge.

(b) becomes positively charged while the cloth has a negative charge.

(c) and the cloth both acquire negative charge.

(d) becomes negatively charged while the cloth has a positive charge.

7.

Fill in the Blank

30 sec

1 pt

We saw the.............in the sky before we heard the thunder.

8.

Multiple Choice

30 sec

1 pt

the tremors and vibrations of the earth's surface

tsunami

earthquake

tornado

9.

Multiple Choice

30 sec

1 pt

a powerful electric discharge

a lighting

a trunder

a blizzard

10.

Multiple Choice

30 sec

1 pt

an earthquake

a hurricane

a thunderstorm

a tsunami

11.

Multiple Choice

2 mins

1 pt

What types of charges attract?

Positive and Positive

Positive and Neutral

Negative and Neutral

Positive and Negative

12.

Multiple Choice

2 mins

1 pt

If the two charges represented in the figure were brought near each other, they would

attract each other.

repel each other.

cause static discharge.

have no affect on each other

13.

Multiple Choice

2 mins

1 pt

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

A positive charge.

A negative charge.

A neutral charge

No charge at all

14.

Multiple Choice

30 sec

1 pt

Method of charging an object by allowing electric charge to flow by direct contact from one object to another object.

friction

conduction

electric force

induction

15.

Multiple Choice

3 mins

1 pt

Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

The balloons will pop.

The balloons will attract each other.

The balloons will become positively (+) charged.

The balloons will repel each other.

16.

Multiple Choice

30 sec

1 pt

Which of these is not an example of static charge being a nuisance?

clothes clinging and crackling

dust attracting to table tops

small shocks from door handles

small shock from a 9v battery

17.

Multiple Choice

30 sec

1 pt

How can a build up of charge whilst refuelling a petrol tank be avoided?

use plastic hoses

attach an earth wire

use a plastic fuel tank

re-fuel whilst wearing rubber boots

18.

Multiple Choice

30 sec

1 pt

What is Natural Phenomena?

Changes that occur in the body.

Changes that occur in nature without direct human intervention.

Are those take a long time to regenerate.

Changes that occur in nature with direct human intervention.

19.

Multiple Choice

30 sec

1 pt

What is a Tsunami?

Is an enormous wave produced by ripples caused by undersea earthquakes or volcanic eruptions.

Is a storm distinguished by strong winds.

a swirling column of wind.

20.

Multiple Choice

30 sec

1 pt

It is cloudy.

21.

Multiple Choice

30 sec

1 pt

flood

22.

Multiple Choice

30 sec

1 pt

Stay at home. It is raining outside

23.

Multiple Choice

30 sec

1 pt

sunny

lighting

rainbow

24.

Multiple Choice

30 sec

1 pt

Is it dry ?

yes, it is

yes, I do

yes, I am

25.

Multiple Choice

30 sec

1 pt

Which of the following is not likely to cause Tsunami?

A major nuclear explosion undersea

Earthquake

Volcanic eruption

Lightning

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