a yoga ball is a solid... yeah.
one solid is a ball and another is a ice and a liquid is water or juice.
A solid metal ball would sink into the very viscous liquid, a hollow metal ball would float. The speed of descent is dependent on the density of the liquid.
Gas. A soccer ball is filled with gas under pressure.
liquid
solid
solid liquid
Liquid.
General classes of colloids are: gas in liquid, gas in solid, liquid in gas, liquid in liquid, liquid in solid, solid in gas, solid in liquid, solid in solid.
Solid
No, the Earth's inner core is a solid ball, the outer core a liquid; mostly made of iron and nickel.