Physical Sciences Vocab

Which of the following is the basic building block of matter?

• Molecule

• Atom

• Element

• Compound

Which of the following is a group of atoms bonded together?

• Element

• Atom

• Molecule

• Compound

Which term refers to a substance made up of only one type of atom?

• Compound

• Molecule

• Element

• Mixture

A substance made of two or more elements chemically combined is called a:

• Mixture

• Compound

• Element

• Solution

What do we call a process that changes substances into different substances by breaking and forming chemical bonds?

• Physical change

• Conservation of mass

• Chemical reaction

• Chemical change

Which principle states that mass cannot be created or destroyed in a chemical reaction?

• Conservation of energy

• Conservation of mass

• Atomic structure

• Periodic table

Which term refers to the physical forms in which a substance can exist, such as solid, liquid, and gas?

• Physical change

• Chemical change

• States of matter

• Conservation of mass

A change in the physical properties of a substance, without changing its chemical composition, is known as:

• Chemical change

• Physical change

• Chemical reaction

• Atomic structure

What is the term for a change that results in the formation of new chemical substances?

• Physical change

• Conservation of energy

• Chemical change

• Work

What is the tabular arrangement of all known chemical elements called?

• Atomic structure

• Periodic table

• Chemical reaction

• Compound