Given are some materials. Predict them whether they float or sink. write your findings. Tomato, Brinjal, Potato, Iron nail, Sponge, Wood, Stone, leaf , Piece of chalk.

Some food material is given below, what are the different possible ways of cooking them? Find out and write them: Meat –Groundnuts – Potatoes – Spinach.

Collect some solid materials such as ghee, wax, sand, sugar, salt, haldi, dal, plastic, wood, iron nails. Take a bucketful of water and a beaker. Now try to discover the following Which materials sink in water ?

1. Collect some solid materials such as ghee, wax, sand, sugar, salt, haldi, dal, plastic, wood, iron nails. Take a bucketful of water and a beaker. Now try to discover the following :Which materials float on water

Take some water in a wide mouthed bowl. Put an iron nail in it. What do you observe ? Put an empty iron tin in that bowl. What do you observe ?Also try to observe whether a wooden piece floats on water. What happens when a wooden bowl is dipped in water ? what is your conclusion from the above activity?

A tomato, brinjal, potato, iron nail, sponge, wood, stone, leaf, piece of chalk and paper are given. Predict which of them sink or float in water. Record your predictions in table.

Iron sinks in water, wood floats in water. If we tie an iron piece to the same volume of wood piece, and dropped it water, would it sink or float ? Make a guess and find out whether yours gucess is correct or wrong with an experiment. Give reasins.