collision theory

Two antacid tablets neutralizes acids faster than one tablet.

More bubbles appear when concentrated solution of hydrochloric acid is added to a magnesium strip than when a dilute solution of the acid is added.

Tags

NGSS.MS-PS1-2

Raw potatoes are cut into thin slices for cooking.

Blowing air on a campfire to help it get going.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Grains of sugar dissolves quickly in water.

Smaller pieces of charcoal are used to grill food.

Tags

NGSS.MS-PS3-3

Meat is stored in a refrigerator to last longer.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Acid rain erodes marble faster

Tags

NGSS.MS-ESS2-2

A coal dust explosion happen in mines.

Leaving a glass of milk on the table causes it to spoil easily.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4