Some Natural Phenomena – EWF- 1

The ______________ of earth's crust are in continual motion.

Like charges ___________ and unlike charges _____________ each other.

In an electroscope, the aluminium leaves diverge because like charges ____________.

______________ is provided in buildings to protect us from electrical shocks due to any leakage of electrical current.

_____________ is also an electric spark, but on a huge scale.

The outermost layer of the earth is not in one piece. It is fragmented. Each fragment is called a ____________.

Like charges attract each other.

• True

• False

A charged glass rod attract a charged plastic straw.

• True

• False

Lightning conductor cannot protect a building from lightning.

• True

• False

Earthquakes can be predicted in advance.

• True

• False