negative charge

In both physical and chemical changes, the number of atoms before and after stays the same.

Tags

NGSS.MS-PS1-5

A substance that already exists in the environment without human action.

Tags

NGSS.MS-ESS2-4

no charge

A natural starting substance is changed, but the material maintains many of the same properties.

• physical change

• periodic table

• natural materials

• synthetic material

A table that shows t: elements with similar chemical properties are grouped together.

• physical change

• periodic table

• natural materials

• synthetic material

Substance is changed chemically to produce a material with different characteristics.

• physical change

• periodic table

• natural materials

• synthetic material

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A change in a substance that does not form a new substance.

• physical change

• periodic table

• natural materials

• synthetic material

A series of chemical reactions used to create a synthetic material.

• chemical synthesis

• synthetic material

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-3

Basic building block of matter.

• neutron

• atom

• electron

• proton

Tags

NGSS.MS-PS1-1