Chemical Change

How do you know that rusting is a chemical change?

• it changes color

• atoms were rearranged to form a new substance

• we just know

• the rust

Tags

NGSS.MS-PS1-5

When we combine baking soda and vinegar, it fizzes and eventually turn into a liquid. What is actually happening?

• baking soda melted into its liquid form

• baking soda combined with the vinegar produced a new substance

• evaporated into the air

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

True or False: All atoms are created or destroyed in a chemical reaction.

• true

• false

• maybe

Tags

NGSS.MS-PS1-5

The following are examples of evidence of a chemical reaction....

• ice melting into a liquid

• condensation

• endothermic reaction

• change in color, production of gas bubbles

Tags

NGSS.MS-PS1-2

Iron rusts.

• Chemical change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is burning wood a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a copper penny turning greenish after a few years.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

A ​ (a)   change is where one or more new substances are created.

• chemical

• physical

• nuetral

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Exploding fireworks is a

• Physical Change

• Chemical Change

• Katy Perry Song

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5