Changes in Matter

This is the smallest particle of an element that has the properties of that element.

• atom

• molecule

• compound

Tags

NGSS.MS-PS1-1

A group of two or more atoms held together by a bond.

• atoms

• protons

• molecule

Tags

NGSS.MS-PS1-1

A substance made of two or more different elements that are chemically combined.

• atom

• protons

• compound

Tags

NGSS.MS-PS1-1

This is a pure substance that cannot be broken down into other substances. Ex: Neon, Oxygen, Carbon

• element

• proton

• electron

Tags

NGSS.MS-PS1-1

What does this image show?

• atom

• molecule

• compound

Tags

NGSS.MS-PS1-1

A change that changes the form or looks of a material but does not make the material into a new substance.

• physical change

• chemical change

Tags

NGSS.MS-PS1-4

A change in which one or more substances combine or break apart to form a new substance.

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When a substances undergo a change that results in the formation of a new substance or substances this occurs.

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A type of chemical reaction that releases energy in the form of heat or light. Feels hot!

• exothermic reaction

• endothermic reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A chemical reaction that absorbs heat energy from the surroundings to form products. Feels colder!

• exothermic reaction

• endothermic reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-3

NGSS.MS-PS3-4