Characteristics of Chemical Reactions

Formed when two or more atoms chemically combine

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

Tags

NGSS.MS-PS1-1

A process that leads to the transformation of one set of chemical substances to another

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Smallest part of a substance

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

The substances initially involved in a chemical reaction

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The substance that is produced from a chemical reaction

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical process, atoms that make up a substance are regrouped into different ___________ to form new substances with different properties.

• color

• molecules

• precipitate

• temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A __________ increase or decrease and the production of light are both signs that a chemical reaction may have occurred.

• temperature

• gas

• evidence

• odor

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A _____________ is a solid substance that forms and separates from a solution and may indicate that a chemical reaction has occurred.

• molecules

• precipitate

• temperature

• gas

Tags

NGSS.MS-PS1-2

An unexpected change in ______________ is a sign that a chemical reaction may have occurred.

• odor

• light

• color

• molecules

Tags

NGSS.MS-PS1-2

Substances giving off a smell, or _______ while being combined is also an indicator of a chemical reaction.

• odor

• color

• precipitate

• temperature

Tags

NGSS.MS-PS1-2