Chemistry Part 2

This is made up of one or more substances.  (example. Lemonade, chocolate milk)

• Atom

• Mixture

• Physical

• Density

Tags

NGSS.MS-PS1-2

System where matter can be exchanged freely in a reaction.  Something can be added or taken out.

• Closed System

• Reactant

• Open System

• Product

Tags

NGSS.MS-PS1-2

A group of atoms bonded together. (example: H2O)

• Chemical Reaction

• Molecule

• Closed System

• Atom

Tags

NGSS.MS-PS1-1

These are the substances that react in a chemical reaction. 

• Substance

• Reactant

• Mixture

• Product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When objects or substances go through a change in their shape or size, or state of matter.  

• Physical Change

• Product

• Chemical Change

• Atom

Tags

NGSS.MS-PS1-4

Product

• Reactant

• Physical Change

• The new substances formed in a chemical reaction .

• Molecule

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This causes a reaction to happen FASTER. (the yeast was this in our elephant toothpaste lab) 

• Chemical Reaction

• Mass

• Substance

• Catalyst

Atom

• The smallest unit of all matter.

• Water

• Hydrogen

• Product

Tags

NGSS.MS-PS1-1

Closed System

• Chemical Reaction

•  Systems where matter cannot be exchanged freely in reaction.  Everything is contained in the system. Mass stays the same. 

• Physical Change

• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Substance

• Physical Change

• Mixture

• Phase Change

• Made up of only 1 type of atom or molecule all the way through.

Tags

NGSS.MS-PS1-4