MiSTAR 6.3 Unit Review

Front

What are the original substances in a chemical reaction called?

Back

Reactants

Front

What does conservation of matter mean?

Back

Matter cannot be created nor destroyed, and cycles through ecosystems.

Front

What is the process where a substance undergoes a chemical change to form a new substance?

Back

Chemical reaction

Front

What is a chemical change?

Back

When two or more substances combine to make a new chemical substance.

Front

What are the building blocks of matter?

Back

Atoms

Front

What is formed as a result of a chemical reaction?

Back

Products

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.