Formed when two or more atoms chemically combine

• Molecule

• Atom

• Reactant

• Substance

Tags

NGSS.MS-PS1-1

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

• Reactant

• Chemical Reaction

• Product

• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Smallest part of a substance

• Reactant

• Product

• Atom

• Compound

The substances initially involved in a chemical reaction

• Products

• Atoms

• Molecules

• Reactants

The substance that is produced from a chemical reaction

• Product

• Reactant

• Pure Substance

• 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.

• Molecules

• Chemicals

• Reactants

• Atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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

• Color

• Temperature

• Precipitate

• Density

Tags

NGSS.MS-PS1-2

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

• Odor

• Reactant

• Product

• Precipitate

Tags

NGSS.MS-PS1-2

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

• Mass

• Color

• Solid

• Gas

Tags

NGSS.MS-PS1-2

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

• Color

• Precipitate

• Odor

• Texture

Tags

NGSS.MS-PS1-2