chalk Perspex polystyrene clay copper polythene cork PVC cotton cloth rubber expanded polystyrene slate glass soft wood granite steel hard wood wool iron zinc lead (not on display) Pick three substances from the list that Pick substances from the list that are natural synthetic (man-made) are Floating and sinking Name…………………..……..
chalk Perspex clay polystyrene copper polythene cork PVC cotton cloth rubber expanded polystyrene slate glass soft wood granite steel hard wood wool iron zinc lead (not on display) Pick three substances from the list that are natural Pick substances from the list that are synthetic (man-made) Floating and sinking Name…………………..……..