Unit 1, Living in God's World

The building block of matter; the smallest possible particle of an element

• Atom

• Proton

• Cell

• Elements

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The physical stuff that makes up the universe. Anything that occupies space and has mass is called

Tags

NGSS.MS-PS1-5

A pure substance made of only one kind of atom

• compound

• element

• mixture

• substance

the tendency of energy to disperse and become less available to do work is called

Tags

NGSS.HS-PS3-4

a measurement of the average speed of the particles within a substance

• M/s

• Temperature

• Variance

• Variable

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

A change in a substance that does not change the identity of the substance ; eg. a change of form or state

• chemical change

• physical change

• mechanical change

Tags

NGSS.MS-PS1-4

A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substances.

• Physical Change

• Temperature Change

• Chemical Change

• Elemental Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a pure substance made from two or more elements that are chemically combined

An attraction between two atoms as a result of sharing or transferring valence electrons

• hydrogen

• bond

• mitiagtion

• covalent

Tags

NGSS.HS-PS1-1

Ionic Compounds form when....

• oppositely charged ions attract

• electrons are shared between atoms