Evidence of chemical reactions

Front

What is a chemical reaction?

Back

A process where substances (reactants) undergo a transformation to form new substances (products).

Front

Example of a chemical reaction: Is paper burning a chemical reaction?

Back

True

Front

What happens to the Statue of Liberty's color over time?

Back

It changes from bronze to green due to a chemical reaction.

Front

What is rust?

Back

Rust is a new substance formed when iron reacts with water and oxygen.

Front

What type of reaction is rust formation?

Back

Chemical Reaction.

Front

What are indicators of a chemical reaction?

Back

Change of color, change in odor, and formation of bubbles.

Front

What does a change in color indicate?

Back

It can indicate that a chemical reaction has occurred.

Front

What is the term for substances that undergo a chemical reaction?

Back

Reactants.

Front

What do we call the new substances formed in a chemical reaction?

Back

Products.

Front

What is the term for a process where substances react to form a new substance?

Back

Chemical Reaction.