Understanding Chemical Equations Extra Credit

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Tags

NGSS.MS-PS1-1

Which of the following best defines a chemical reaction?

• A process where substances are mixed without any change in their chemical properties.

• A process where substances undergo a chemical change to form new substances.

• A process where substances are separated physically.

• A process where substances are dissolved in water.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

• Solid

• Liquid

• Gas

• Aqueous

Which of the following is a definition of reactants in a chemical reaction?

• Substances that are formed as a result of a chemical reaction.

• Substances that are consumed during a chemical reaction.

• Substances that do not change during a chemical reaction.

• Substances that are catalysts in a chemical reaction.

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following best defines products in a chemical reaction?

• Substances that are consumed during a chemical reaction.

• Substances that are formed as a result of a chemical reaction.

• Substances that are unchanged during a chemical reaction.

• Substances that are used to speed up a chemical reaction.

• Solid

• Liquid

• Gas

• Aqueous

Tags

NGSS.HS-PS1-3