Question

section 2 properties of matter continued
which physical properties depend on amount?
some physical properties of a material depend on how much of the material you have. for example, two objects made of the same material may have different masses and volumes.
these two objects are made of the same material. however, the objects have different volumes.
reading check

1. identify give two physical properties of an object that depend on the amount of material you have.

which physical properties do not depend on amount?
many physical properties of a substance do not depend on how much of the substance you have. in other words, some physical properties stay the same no matter how small or large a sample is. these properties depend on what the substance is made of. they include:

• state
• melting point
• boiling point
• density

melting point and boiling point
state is the physical form of a substance. solid, liquid, and gas are three common states of matter. for example, water can be in the form of solid ice, liquid water, or water vapor.
when ice melts, water is changing from one state to another. the temperature at which a substance changes from a solid to a liquid is called the melting point. when water boils, it is also changing from one state to another. the temperature at which a substance changes from a liquid to a gas is called the boiling point.
melting point and boiling point do not depend on how much of a substance is present. for example, a small sample of water has the same boiling point as a much larger sample of water.
reading check

1. define what is state?

Explanation:

La masa y el volumen son propiedades físicas de un objeto que dependen de la cantidad de material. La masa es la cantidad de materia en un objeto, y el volumen es el espacio que ocupa el objeto. Cuanto más material hay, mayor será la masa y el volumen.

Answer:

1. Masa, volumen
2. El estado es la forma física de una sustancia. Sólido, líquido y gas son tres estados comunes de la materia.