33 solutions available
Mark the correct answer in each of the following.
From the boxes given below choose the one with the correct order of the following sentences.(i)That is fire.(ii)A chemical reaction takes...
One word is italicised in each sentence. Find its opposite in the box and fill in the blanks.
Use the words given in the box to fill in the blanks in the sentences below.
How the discovery of fire has helped the mankind?
What can be used to control oil fires? (a) Carbon extinguishers (b) Damp blanket (c) Sand (d) All of the above
Read the following sentences. To burn paper or a piece of wood, we heat it before it catches fire. We generally do it with a lighted match. Every...
Fill in the blanks in the sentences below with words from the box. You may use a word more than once. Gandhiji’s life was devoted to the ……………. of...
One word is italicised in each sentence. Find its opposite in the box and fill in the blanks. You were required to keep all the doors open, not ……………...
Use the words given in the box to fill in the blanks in the sentences below. The cat chased the mouse …………… the lawn. We were not allowed to cross...
Look at the following three units. First re-order ( the items in each unit to make a meaningful sentence. Next, re-order the sentences to make a...
Why the early man was afraid of fire?
Give some examples of fuel.
Why a newspaper or stick lying in the open does not catch fire on its own?
Why gaps are left between buildings during construction?
How fire is a good servant?
Before fire brigades were set out, how people tried to put out fire.
How have we learnt to control fire?
Explain with an example how can you put out fire by cutting the supply of oxygen.
Why we cannot use water to put out some fires?
What is oil fire?
Name two kinds of fire that cannot be extinguished using water.
Why water cannot be used to put out on oil fire?
Water cannot extinguish oil fire, but (a) controls it (b) spreads it (c) has not impact on it (d) None of these
Find one word from the given lines that is antonym of ‘slow’. (a) Spray (b) Dangerous (c) Rapid (d) Quick
How can small fires be put out?
What prevents oxygen to reach the burning material? (a) Nitrogen (b) Carbon dioxide (c) Water (d) Heat
What is the third way of putting out a fire?
What is the method of extinguishing fire mentioned in the above extract? (a) Removing the heat (b) Spraying water (c) Removing the fuel (d) Removing...
Which word in the above extract means ‘stop burning’?
Which word in the above extract is a synonym of ‘moist’?