Try to construct triangles using match sticks. Some are shown here. Can you make a triangle with (a) 3 matchsticks? (b) 4 matchsticks? (c) 5 matchsticks? (d) 6 matchsticks? (Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it
Which of the following is not used in making matchsticks these days ?
Can you burn a piece of wood by bringing a lighted matchstick near it ? Explain.
Why is it difficult to light a matchstick by striking it on a smooth surface ?
