Unit 3, Lesson 1

A change in appearance or form but does NOT create a new substance

• physical change
• reactant

• product

• chemical change

Tags

NGSS.MS-PS1-4

A change in the chemical identity of a substance, meaning a new substance is made

• physical change
• reactant

• product

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The starting materials in a chemical reaction

• physical change
• reactant

• product

• chemical change

Tags

NGSS.MS-PS1-2

The substance or substances that are made in a chemical reaction

• physical change

• reactant

• product

• chemical change

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Organize these options into the type of change it is

Groups:

(a) Physical

,

(b) Chemical

• 
• burning wood

• ripping paper

• 
• 
• 

Tags

NGSS.MS-PS1-5

The number of atoms at the start of a chemical reaction​ ​ (a)   at the end of the reaction.

• stays the same
• changes

Tags

NGSS.MS-PS1-5

Click the area that has the inputs of the "reaction."

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Click the area that has the outputs of the "reaction."

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a usual sign of a chemical change.

• Change in color

• Bubbles/fizzing/gas being made

• Change in temperature

• Change in odor

• A substance changing state of matter

Tags

NGSS.MS-PS1-2