Chemical Reactions Review Quizizz

What is the term for a substance that increases the rate of a chemical reaction without being consumed?

• Reactant

• Product

• Catalyst

• Substrate

Tags

NGSS.HS-PS1-5

Which term describes the starting materials in a chemical reaction?

• Product

• Reactant

• Enzyme

• Active site

Tags

NGSS.MS-PS1-1

What is the name for the energy required to start a chemical reaction?

• Activation energy

• Catalyst

• Substrate

• Enzyme

Which term refers to the specific region of an enzyme where a substrate binds?

• Active site

• Product

• Reactant

• Catalyst

What is the definition of the term "process"?

• A single action that produces an end product

• A series of steps or actions that produce an end product

• A random event that leads to a result

• A method of avoiding tasks

What is a chemical reaction?

• A process where substances are mixed without changing their composition.

• A process by which atoms or groups of atoms in substances are reorganized into different substances.

• A process that only involves physical changes in substances.

• A process that does not involve breaking or forming chemical bonds.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to chemical bonds during a chemical reaction?

• They remain unchanged.

• They are only broken.

• They are only formed.

• They are broken or formed.

Tags

NGSS.HS-PS1-4

Which of the following is a clue that a chemical reaction has taken place?

• Change in color only.

• Production of heat or light.

• Change in size.

• Change in texture.

Tags

NGSS.MS-PS1-2

What is an example of a physical change in substances?

• Formation of a new gas.

• Change in appearance but not composition.

• Production of light.

• Formation of a new solid.

In a chemical equation, what are the starting substances called?

• Products

• Reactants

• Catalysts

• Enzymes