Science Vocabulary Definitions

Any material that has mass and occupies space is called _______.

• matter

• energy

• light

• force

The basic unit of matter; the smallest unit that maintains the chemical properties of an element is called an _______.

• atom

• molecule

• cell

• proton

Tags

NGSS.MS-PS1-1

A chemical substance with a unique set of properties that cannot be broken down into substances with other properties is called an _______.

• element

• compound

• mixture

• solution

Tags

NGSS.MS-PS1-1

The central core of an atom; consists of protons and neutrons is called the _______.

• nucleus

• electron cloud

• isotope

• valence shell

A combination of two or more atoms joined by covalent bonds is called a _______.

• molecule

• element

• compound

• ion

Tags

NGSS.MS-PS1-1

A substance combining atoms of two or more different elements is called a _______.

• compound

• element

• mixture

• molecule

Tags

NGSS.MS-PS1-1

An organic compound combining hydrogen and carbon is called a _______.

• hydrocarbon

• carbohydrate

• protein

• lipid

Tags

NGSS.MS-PS1-1

A mixture in which all the ingredients are evenly distributed is called a _______.

• solution

• suspension

• colloid

• emulsion

A large organic molecule; includes proteins, nucleic acids, carbohydrates, and lipids is called a _______.

• macromolecule

• enzyme

• atom

• ion

Tags

NGSS.HS-LS1-6

An organic compound made up of carbon, oxygen, hydrogen, nitrogen, and sometimes sulfur is called a _______.

• protein

• carbohydrate

• lipid

• nucleic acid

Tags

NGSS.MS-LS3-1