Science Unit 2: Chemical Reactions 7th Grade

Front

a process that changes substances into new substances is called a

Back

Chemical Change

Answer explanation

A process that changes substances into new substances is called a Chemical Change. This term specifically refers to the transformation of one or more substances into different substances, distinguishing it from a mere physical change.

Front

the process by which the body breaks down food is called

Back

Digestion

Front

the physical matter of which living or nonliving things are composed is called a

Back

Substance

Front

a pure substance that cannot be broken down into simpler substances by chemical reactions

Back

Element

Front

material that has mass and takes up some amount of space

Back

Matter

Front

an element or compound

Back

Chemical

Front

Matter is made up of atoms.

Back

True

Front

When a piece of paper is burned in a fire, it is a Physical reaction.

Back

False

Front

two or more atoms joined together is a

Back

Molecule

Front

the smallest unit of an element that has the same properties as that element

Back

Atom