Chemical Reactions Vocabulary

a process in which atoms rearrange to form new substances

• property

• chemical reaction

• reactant

• substance

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

A starting substance that is part of a chemical reaction

• property

• atoms

• reactant

• model

an object, diagram, or computer program that helps us understand something by making it simpler or easier to use

• property

• atoms

• chemical reaction

• model

The tiny pieces that all matter (all the stuff in the world) is made of...

• boiling point

• corrosive

• atoms

• property

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

The Law of Conservation of Matter states that matter cannot be _______________________.

• moved or changed

• created or destroyed

• eaten or drank

• increased or decreased

Tags

NGSS.MS-PS1-5

During a chemical reaction, atoms cannot be created or destroyed, but they can be ________________.

• changed

• increased

• extended

• rearranged

Tags

NGSS.MS-PS1-5

An ending substance that is made during a chemical reaction

• products

• scale

• melting point

• model

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Melting point, color, smell, and texture are all examples of _________________.

• models

• reactants

• properties

• scales

Tags

NGSS.MS-PS1-2

In order for two substances to be the same, the must have the same _____________________ of atoms.

• size and shape

• height and width

• texture and shade

• number and type

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

(Chapter 1 Question) What was the reddish-brown substance in Westfield's water?

• dirt

• rust

• leaves

• dust