to find thickness of a coin by a centimeter scale

to find the diameter of a wire using using centimetre scale

to measure length of a curved line by using a thread

learning to count seconds approximately

to find the temperature of tap water

fundamental measurement

how to measure length accurately with metre scale

measuring the area of table and desk

measuring the area of an irregular flat surface (leaf)

measuring the areas of coins

to find volume of irregular solid using overflow jar

to show that the weight of a body is a force

to show electricity is a kind of force

to show that magnet exerts magnetic force on the objects made of iron

to show that magnetic force can easily pas through substances like wood or glass

to prove that pressure is inversely proportional to the area of cross-section

to prove that potential energy is a kind of stored energy

the energy can be stored in a body due to the change in it configuration or shape

to show that more mass of a body,the more is it

to prove that more the speed of a moving body,the more is its kinetic energy

identify the magnetic substances from non magnetic substances

to show that the strength of a magnet is maximum and its end

to show that the floating or suspended magnet always points in north-south direction

to show that similar poles of magnet repals each other and opposite poles of magnet attract each other

to show that steel strip get magnetized by rubbing bar magnet over it

to show that each broken piece of a magnet is a complete magnet

to show that magnetic force can easily pass through non- magnetic substances

to show that a magnet loses its magnetism,if hammered or mishandled

making a magnet with the help of electric current