Chemical Reactions

Front

What is a property of a substance?

Back

A characteristic that can be observed, such as color, smell, or boiling point.

Tags

NGSS.MS-PS1-2

Front

Where are the reactants located in a chemical equation?

Back

On the left side of the arrow, representing the beginning substances.

Front

What are atoms?

Back

Tiny pieces of matter that everything is made of.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a substance?

Back

Something that is made of all the same atoms or groups of atoms.

Tags

NGSS.MS-PS1-1

Front

What is a reactant?

Back

A starting material in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What does the arrow in a chemical equation represent?

Back

It indicates the direction of the reaction, showing the transformation from reactants to products.

Front

What is the law of conservation of mass?

Back

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

Tags

NGSS.MS-PS1-5

Front

What is a chemical formula?

Back

A way to represent a substance using symbols for its constituent elements.

Tags

NGSS.MS-PS1-1