Unit C, Chapter 3: How Matter Changes

What is a compound that can be formed when an acid reacts with a base?

• polymer

• proton

• salt

• sugar

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The number of protons in an atom of an element is that element's ___________.

• nucleus

• atomic number

• indicator

• model

A change in size, shape, or state of a material is a _________.

• nuclear change

• physical change

• chemical change

• periodic change

Tags

NGSS.MS-PS1-4

The connection between atoms in a compound is called a ___________.

• chemical bond

• physical change

• chemical reaction

• atomic number

What is an electrically charged atom called?

• proton

• electron

• salt

• ion

Tags

NGSS.MS-PS2-3

What is a substance that changes color when mixed with an acid or base?

• chemical bond

• radioactive element

• salt

• indicator

Any change in which one or more new substances are formed is a ____________.

• nuclear change

• physical change

• chemical change

• periodic change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An organic compound made up mainly of a very long chain or chains of carbon compounds is a(n) ___________.

• salt

• radioactive element

• polymer

• indicator

What is a reaction called that involves splitting the nuclei of some atoms by bombarding them with neutrons?

• nuclear fusion
• atomic fusion
• neutralization

• radioactivity

Tags

NGSS.HS-PS1-8

What is a way to represent an object or to describe how a process takes place?

• indicator

• nuclear fission

• chemical reaction

• model

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS1-4