Chemical Reactions

All of these processes cause chemical change except:

• digesting

• cooking

• rotting

• tearing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The process of breaking bonds between atoms of substances, rearranging those atoms, and forming new bonds between different atoms is called a

• chemical action.

• chemical reaction.

• chemical bond.

• chemical identity.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Pick all that are evidence of a chemical reaction:

• color change

• temperature change

• shape change

• precipitate forms

• bubbles

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NGSS.MS-PS1-2

The substances on the right hand side of a chemical equation are called the

• productions.

• reactants.

• yields.

• products.

Chemical reactions

• are easily reversed.

• make protons.

• are not easily reversed.

• do not create new molecules.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In which of these did a chemical reaction occur?

• Sugar is dissolved in water.

• Two colorless solutions are mixed. The resulting solution is bright pink.

• A blue solution and a yellow solution are mixed. The resulting solution is green.

• A solid turns directly into a gas.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A reaction that releases heat and light is called

• a heat reaction.

• a consumption reaction.

• a light reaction.

• a combustion reaction.

The substances on the left hand side of a chemical equation are called the

• reactants.

• reactions.

• products.

• producers.

Tags

NGSS.MS-PS1-5

What type of chemical reaction is this?

• single replacement reaction

• decomposition reaction

• combustion reaction

• synthesis reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction must always follow the Law of Conservation of Mass.

• True

• False

Tags

NGSS.MS-PS1-5