the most dense is steel and aluminium.
Plastic is generally less dense than most other materials, such as metals and ceramics. This means that plastic is lighter for its size compared to these materials.
The layer of the Earth that contains dense materials like iron and nickel is the core. It is divided into two parts: the outer core, which is liquid, and the inner core, which is solid. These materials play a key role in generating Earth's magnetic field.
Gamma radiation is the most penetrating form of ionizing radiation. It can pass through most materials and requires dense materials, such as lead or concrete, to effectively shield against it.
Gas
Gravity !... Gravity draws everything towards the centre of the Earth - therefore the heaviest materials are closer to the core.
Osmium is the most dense naturally occurring element, with a density of around 22.59 g/cm³. However, man-made materials such as depleted uranium or iridium alloys can have even higher densities.
Materials that are less dense than water will float the most. For example, materials like wood, plastic, and cork are relatively light and will float easily on water.
Water is less dense than any of the other materials listed.In order of density from least to highest:Water (least dense)GraniteBasaltIron (most dense)
Pretty much anything, it would take a few metres depth of lead or some equally dense material to stop it.
Talk about a city having a dense population, in which case the comparative form is denser, and its superlative form, densest. Whereas the comparative form, more dense,2 is used when comparing the density of two different substances, materials or liquids
The least dense layer will be found on top of the other layers, as less dense materials tend to float on top of denser materials.
I assume you meant "density" More dense materials, such as solids, generally carry sound faster than less dense materials such as air