Description
Designed to excite and never to bore, the Sick Science Rainbow Straws kit turns textbook learning into magical entertainment. Fill a straw with five layers of colour, each holding a different amount of salt, and see for yourself how salt changes the density of water. Learn about cohesion and adhesion and then meticulously create a rainbow glass of water with seven layers of density. Then, check out the Sink and Float activity to see which is lighter, diet or regular soda., , Three fascinating experiments present the science of density in a way that astounds the mind, baffles the eyes, and gets kids excited about learning.