ICSE ICSE Class 7 - CISCE Question Bank Solutions for Physics

What is the Kelvin scale of temperature? 

Draw a neat labelled diagram of a laboratory thermometer.

Write down the body temperature of a healthy person.

Select the correct alternative :

Sound cannot travel in

Can sound travel through a vacuum ? Describe an experiment to explain your answer.

Can two person hear each other on moon’s surface ? Give reason to support your answer.

The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?

The temperature rises by 18°F. What is the rise on the Celsius scale?

Convert 5°F to the Celsius scale.

Convert 40°C to the (a) Fahrenheit scale (b) Kelvin Scale.

Convert – 40°F to the Celsius scale.

Write true or false for a given statement

Equal volumes of two different substances have equal masses.

Fill in the blank

Volume of a cube = _________

Define the term volume of an object.

How will you determine the volume of a cuboid ? Write the formula you will use.

Name two devices which are used to measure the volume of an object. Draw their neat diagrams.

How can you determine the volume of an irregular solid (say a piece of brass)? Describe in steps with neat diagrams.

‘The density of brass is 8.4 g cm’3’. What do you mean by the statement ?

The mass of an iron ball is 312 g. The density of iron is 7.8 g cm^-3. Find the volume of the ball.

A cork has a volume 25 cm³. The density of cork is 0.25 g cm^-3. Find the mass of cork.