investigating flotation for solids and liquids
relating flotation to density
OP3 investigate flotation for a variety of solids and liquids in water and other liquids,
and relate the results of this investigation to their densities
Try putting a cube of Ice in a glass of water, describe what happens. Now put another cube of Ice in Methylated Spirits what happens now?
Find the density of a coke can and diet coke can!
Place them in water.
A Density rainbow
A Varying density column
Corn Syrup vs water vs oil
An aluminium cable is half the weight of a copper one with the same rating, so aluminium cables (reinforced with steel) are often preferred for hanging between overhead pylons.
A nice applet from Walter showing buoyancy !!
A density lava lamp .... can you think what is happening ?
You can also use fizzy drinks