Physics Unit: Vocabulary Review

A process in which one or more new substances form from one or more other substances

• product

• reactant

• chemical reaction

• clinical trial

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance that exists before a chemical reaction takes place and changes as a result of the reaction

• chemical reaction

• prototype

• endothermic reaction

• reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A new substance that forms during a chemical reaction

• product

• prototype

• exothermic reaction

• reactant

Tags

NGSS.MS-PS1-2

a shorthand notation made up of arrows and chemical formulas for reactants and products that summarizes what happens during a chemical reaction

• reactants

• products

• chemical equation

• clinical trial

a chemical reaction that releases more energy to the surroundings than it absorbs

• exothermic reaction

• endothermic reaction

Tags

NGSS.MS-PS1-4

a chemical reaction that absorbs more energy from the surroundings than it releases

• exothermic reaction

• endothermic reaction

Tags

NGSS.HS-PS1-4

Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed.

• Scientific investigation

• Exothermic reaction

• Clinical trial

• Law of Conservation of Matter

Tags

NGSS.MS-PS1-5

the physical form matter takes as determined by the arrangement and motion of its atoms or molecules

• state of matter

• pressure

• Law of Conservation of Matter

• phase change

Tags

NGSS.MS-PS1-4

the state of matter in which atoms or molecules are closely packed and touching one another in fixed positions.

• melting point

• liquid

• solid

• gas

the state of matter in which atoms or molecules are closely packed and touching one another but are not held in fixed positions.

• gas

• solid

• liquid

• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4