ICSE ICSE Class 8 - CISCE Question Bank Solutions

Gases have definite volume but no definite shape.

Liquids have definite shape and definite volume.

Name the processes involved in two cases.

A fuse wire has a high melting point.

Silver is an insulator of electricity.

All metals are insulators of electricity.

 Match the following

How can you check just by seeing the meter whether the electricity is in use or not?

An electrical appliance is rated as 60 W – 150 V.
What do you understand by this statement?

The number of electrons and protons in an atom are the same.

If the charge is not in motion, we call it static electricity.

Human body is a conductor of electricity.

When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.

When glass rod is rubbed with dry silk cloth, the electrons move from glass to silk.

The cap of gold leaf electroscope is made of copper.

If a glass rod rubbed with silk is brought near the cap of a negatively charged electroscope, the divergence of leaves will decrease.

In induction, a positively charged body can make an uncharged body positively charged.

A lightning conductor saves the building from lighting.

When a comb is rubbed with dry hair both comb and paper get similarly charged.

A glass rod rubbed with silk repels an ebonite rod rubbed with fur.