ICSE ICSE Class 7 - CISCE Question Bank Solutions for Physics

Describe the method in steps to find the area of an irregular lamina using a graph paper.

Find the approximate area of an irregular lamina of which boundary line is drawn on the graph paper shown in following figure.

Write true or false for a given statement.

Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact. 

Write true or false for a given statement.

All solids expand by the same amount when heated to the same rise in temperature.

Write true or false for a given statement.

Telephone wires are kept tight between the two poles in summer.

Write true or false for a given statement.

Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.

Write true or false for a given statement.

Solids expand the least and gases expand the most on being heated.

Write true or false for a given statement.

A mercury thermometer makes use of the property of the expansion of liquids on heating.

Write true or false for a given statement.

Kerosene contracts on heating.

Write true or false for a given statement.

Water is a bad conductor of heat.

Write true or false for a given statement.

Land and sea breezes are convection currents of cold and warm air.

 Fill in the blank

_________ determines the degree of hotness or coldness of a body.

Fill in the blank

On heating a body, its temperature _______.

 Fill in the blank

 We use a ________ for measuring the temperature of a body.

Fill in the blank

In a thermometer, the commonly used liquid is _______

Fill in the blank

The temperature of boiling water is _______

Fill in the blank

Liquids expand _______ than the solids.

 Fill in the blank

 Gases expand _______ than the liquids.

Fill in the blank

Metals are _______ of heat.

Fill in the blank

Still air is an __________ of heat.