Chapter 1 Quiz

______________ is the study of matter and how matter changes.

• Physical Science

• Law of conservation of mass

• Chemistry

• Chemical reaction

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The production of one or more substances is the only evidence that a chemical reaction has occurred.

• True
• False

Tags

NGSS.MS-PS1-2

What speeds up the rate of a chemical reaction?

• Catalyst

• Metalloids

• Inhibitors

• Enzymes

Tags

NGSS.HS-PS1-5

A _____________ is a concise way to represent the composition of a chemical compound.

• Chemical Equation

• Chemical Formula

• Chemical Reaction

• Precipitate

Tags

NGSS.MS-PS1-1

The Law of Conservation of Mass applies to both open and closed systems.

• True
• False

Tags

NGSS.MS-PS1-5

In some chemical reactions, matter can be destroyed.

• True
• False

Tags

NGSS.MS-PS1-5

In a chemical equation, reactants are found on the left of the arrow.

• True

• Falso

What type of reactions release energy in the from of heat.

• Endothermic

• Catalyst

• Chemical

• Exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

_____________ energy is the minimum amount of energy needed to start a reaction.

• Starting

• Activation

• Basic

• Exothermic

Tags

NGSS.HS-PS1-4

During an open system chemical reaction, matter can not escape.

• True
• False

Tags

NGSS.MS-PS1-5