it is probably a gas
The kinetic theory of matter states that matter is made of particles whose speed is dependent on their mass and temperature. The kinetic theory states that particles in matter are always in motion.
Kinetic energy depends on mass and speed. For a given object (whose mass will normally not change much), it will be greatest when the speed is greatest.
An object with the greatest amount of kinetic energy would be one that is both heavy and moving at a high speed. For example, a speeding bullet or a fast-moving train would carry a significant amount of kinetic energy due to their mass and velocity.
The tires are filled with air particles, whose behaviour is governed by what is known as the kinetic molecular theory. In simple terms, during the summer where temperatures are (assumingly) higher, the air particles have more energy (high temp. = higher average kinetic energy). With higher energy, they are moving about inside the tire with higher speed and collisions are more forceful (and common). Thus, these particles tend to occupy more space, and so the tire is forced to expand, eventually bursting.
It could be a solid object made with a mixture of materials whose average density is 5 grams per cm3 or it could be a hollow object made with materials whose density is higher.
Yes, because only witches have "which's." Using "whose" in referring to an object does to some extent personify the object.
This question is misguided. Density is a property which pertains to the entire substance, not to particles. It is the mass per unit volume. In general it is more dense substances which sink. Thus grains of sand will sink in water. In order to float, an object has to displace a volume of water whose mass is the same as the object. If the object is more dense than water, by definition it cannot do this, so it sinks.
Solids have fixed shapes because the bonds in the particles it is made from are held tightly together, meaning they are harder to break. It is unlike a liquid, which take the form of it's container; and unlike a gas, who's particles bounce around until they hit a surface which they bounce back from. The only way to change the shape of a solid is to either break it, or maybe melt it down to the shape you want.
A crystal
A Crystal
You think probable to colloids.
"Whose" is a possessive pronoun used to indicate ownership or association, while "whom" is an object pronoun used to refer to the object of a verb or preposition. For example, "Whose book is this?" (ownership) and "To whom should I address this letter?" (object of the preposition).