Chemical Reactions

Which reactions indicate PHYSICAL changes? Check ALL that apply.

• smell

• tearing

• cutting

• bending

• smoke

Which reactions indicate CHEMICAL changes? Check ALL that apply.

• change in size

• change in color

• change in smell

• change in form

Tags

NGSS.MS-PS1-2

What is example of physical change?

• 
• 

Tags

NGSS.5-PS1-4

You cut waffles from circles into triangles. This is an example of a:

• Physical change

• Chemical change

Fireworks going off is an example of a:

• Physical change

• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Burning wood is an example of a:

• Physical change

• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What does atom mean?

• the tiny pieces that all matter—all the stuff in the world—is made of

• an object (table/glass/toy etc)

Tags

NGSS.MS-PS1-1

An atom is

• A

• B

Tags

NGSS.MS-PS1-1

Changes that CANNOT be reversed are examples of a:

• Physical change

  (bent iron stick)

• Chemical change

  (cake)

Tags

NGSS.MS-PS1-2

Getting a haircut is an example of a:

• Physical change

• Chemical change