All terms in this list:

Matter: all living things are made of matter

Volume: the amount of space an object or a substance takes up

Mass: is a measure of the amount of matter in a object

Weight: is the downward pull on an object due to gravity

Atom: is the smallest basic unit of matter

Molecule: when two or more atoms bond together, or combine, they make a particle called a molecule

Element: is a substance that contains only a single type of atom

compound: is a substance that consists of two or more different types of atoms bonded together

mixture: is a combination of different substances that remain the same individual substances and can be separated by physical means

states of matter: are the different forms in which matter can exist

Solid: is a substance that has a fixed volume and a fixed shape

liquid: has a fixed volume but does not have a fixed shape

gas: has no fixed volume or shape

kinetic theory of matter: a theory stating that all matter is made of particles in motion

temperature: a measure of the average amount of kinetic energy of the particles in an object

heat: the flow of energy from an object at higher temperature to an object at lower temperature

thermal energy: the energy an object has due to the motion of its particles the total amount of kinetic energy of particles in a object

displacement: you use it to measure water by dropping objects in it