(a)   is body building Nutrients

Water can exist in 3 different form's

(a)  

Mina collected tiny marbel's and try's to press them hard.is Mina able to press them?Why?

What is Matter?

(a)  

Rania is an athlete. she loves to eat fool of different kind.he eats healthy food's.but she also eats burger and pizza almost everyday and drinks fizzy drinks with every meals.which of her habit's is not good for her health?what should she eat to remain?

Sarana had mixed a solute and the solvent to make a solution.the result came with having a lemonade.what is the solute and solvent?

(a)  

Give reason for the following :

a)when you add sugar to water to make a sugar solution,the volume of water does not change.why?

b)if you have a naphthalene balls in the open,they become smaller in size after a few day's.why?