Physical vs Chemical Change

sodium and potassium react violently with water

• physical change
• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

pancakes cook on a griddle

• physical change
• chemical change

food digested in the stomach

• physical change
• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

grass grows on a lawn

• physical change
• chemical change

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-3

tire inflated with air

• physical change
• chemical change

water absorbed by a paper towel

• physical change
• chemical change

ethyl alcohol boils at 79⁰C

• physical change
• chemical change

Tags

NGSS.MS-PS3-4

water freezes at 0⁰C

• physical change
• chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

fireworks explode

• physical change
• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Alka-Seltzer gives off carbon dioxide when added to water

• physical change
• chemical change

Tags

NGSS.MS-PS1-2