8th Grade Science 6A

A type of change in which a new substance is made from one or more previous substances; occurs during a chemical reaction

• chemical change

• physical change

• nuclear reaction

• mixture

a change where the atoms of the original substances are rearranged to make new elements and/or compounds is called a ________.

• chemical change

• physical change

• nuclear reaction

• mixture

Fill in the blank: A physical system that does not allow transfer of matter in or out, although energy can flow into and out of the system is called a ________.

• closed system

• open system

• isolated system

• dynamic system

Fill in the blank: A pure substance that is made up of two or more different elements in a specific ratio is called a ________.

• compound

• element

• mixture

• solution

Fill in the blank: A pure substance that is made up of one type of atom is called an ________.

• element

• compound

• mixture

• solution

Fill in the blank: A material which consists of multiple different substances that are not evenly distributed; each sample of the mixture may have different proportions of the individual components is called a ________.

• heterogeneous mixture

• homogeneous mixture

• compound

• element

Fill in the blank: A material which consists of multiple different substances that are evenly distributed; each sample of the mixture will have the same proportion of the individual components is called a ________.

• homogeneous mixture

• heterogeneous mixture

• compound

• element

Fill in the blank: A substance that occupies space, has mass, and is composed of microscopic particles is called ________.

• matter

• energy

• light

• sound

Fill in the blank: A characteristic of matter that can be used to identify particular materials is called a ________.

• property

• mixture

• solution

• reaction