Science Vocabulary Definitions Worksheet

Front

______ are compounds that form hydrogen ions when dissolved in water.

Back

Acids

Front

______ is the energy needed to get a reaction started.

Back

Activation energy

Front

The part of an enzyme where the chemical reaction occurs is called the ______.

Back

active site

Front

______ are monomers of proteins.

Back

Amino acids

Front

The smallest particle of an element is called an ______.

Back

Atom

Front

Compounds that form hydroxide ions when dissolved in water.

Back

Bases

Front

______ are substances that minimize (reduce) changes in pH.

Back

Buffers

Front

A compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body is called a ______.

Back

Carbohydrate

Front

A substance that speeds up the rate of a chemical reaction is called a ______.

Back

catalyst

Front

The attractive force that holds atoms or ions together is called a ______.

Back

chemical bond