In a chemical equation, what are the compounds on the left side of the equation called?

• Products

• Reactants

• Subscripts

• Coefficients

Tags

NGSS.MS-PS1-5

In a chemical equation, compounds on the LEFT side of the equation are called

In a chemical equation, what are compounds on the right side of the equation called?

• Subscripts

• Reactants

• The Law of Conservation of Mass

• Products

Tags

NGSS.MS-PS1-5

In a chemical equation, compounds found on the RIGHT of the arrow are called

What is the BEST definition of a chemical reaction?

• An action taken in response to something

• An action performed or a feeling experienced in response to a situation or event

• A process by which chemicals interact to form new substances with different properties

• A change in physical properties of a substance, like it's state of matter or appearance, without changing it's chemical composition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Give your BEST definition of a chemical reaction. No more than 2 sentences.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is the BEST definition of the Law of Conservation of Mass?

• Mass can be created or destroyed in a chemical reaction.
• Mass is conserved in a chemical reaction; it is neither created nor destroyed.

• The total mass of a chemical reaction can change over time.

• Mass is only conserved in open reactions.

Tags

NGSS.MS-PS1-5

Give your BEST definition of the Law of Conservation of Mass.

Tags

NGSS.MS-PS1-5

Label the parts of the reaction.

a

b

Reactants

Products

Tags

NGSS.MS-PS1-2

Identify which are the products and reactants

a

b

products

reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5