chemical reactions

Front

What is one of the signs of a chemical reaction?

Back

Bubbles are produced.

Tags

NGSS.MS-PS1-2

Front

What type of change occurs when salt dissolves in water?

Back

Physical change.

Front

What is a sign that a chemical reaction has occurred?

Back

A change in color.

Tags

NGSS.MS-PS1-2

Front

What do we call a reaction where heat is given off?

Back

Exothermic reaction.

Front

What is evidence of a chemical reaction?

Back

A new substance has formed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat from its surroundings.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the law of conservation of mass?

Back

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

Tags

NGSS.MS-PS1-5

Front

What is a reactant in a chemical reaction?

Back

A substance that takes part in and undergoes change during a reaction.

Tags

NGSS.MS-PS1-1

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