Potato experiment??

Question

i need a potato experiment for my science class!! anything that involves a potato and science.... just please NOT the potato battery idea....

me and my partner hav looked for ages and neither him or me can find something....

Answer 1

Soak Some Spuds

Slice a small potato lengthwise into several pieces that each have two flat sides. Place some of the pieces in one dish and the rest in another. Fill both dishes with water. Add two tablespoons of salt to one of the dishes, and label it "salt water." Let the potatoes soak for 15 minutes.

Compare the potatoes. Is there a difference in firmness? Why?

Why the potato went floppy

Through osmosis, water moves from areas of low salt concentrations to areas of high salt concentrations. Adding salt to the water creates a higher salt concentration in the dish than in the potato. Consequently, water in a potato that is soaking in salt water migrates out, leaving behind a limp spud!

People often make celery and strips of carrot go crisp by soaking them in fresh water. What happens if you soak these vegetables in salt water?

Answer 2

Try this easy experiement: "Osmosis in potatoe cells"

Answer 3

You can use a potato to determine the polarity of a battery, the positive terminal will leave a brownish mark on the potato.