Rose's 8-17 Egg osmosis experiment

Rose Marnelle MarzoRoom 8-17

• To observe osmosis in a cell.1. Place egg in vinegar to remove shell.2. Measure the weight of the eggs.3. Measure the size of the eggs.4. Place one egg in corn syrup and place the other egg in water.5. Weigh and measure the eggs again.

• 2 eggs• 2 beakers• Corn syrup• Vinegar (acid)• Water• Balance• String and measuring tape

Water Egg• Weight: Heavier• Size: Larger• Look: More round or oblong

Corn Syrup• Weight: same• Size: same• Look: same

Before AfterCorn Syrup W: 71.3 g W: 48.8 g S: 17 cm. S: 13 cmWater Egg W: 62.2 g W: 77 g S: 14cm S: 18.5 cm

Vinegar and egg• Bubbles were coming up• Eggs in bottomWater egg after 24hr.• Larger• HeavierCorn syrup after 24hr.• Puffy• smaller, lighter

Water Egg• got larger- water moved to the egg• egg: lower concentration• water- higher concentration• Water went from higher (water) to lower (egg) concentration

Corn Syrup• got smaller- water moved out of egg• egg: higher concentration• water: lower concentration• Water went from higher (egg) to lower ( corn syrup) concentration

Water Egg Corn syrup• Weight: Right • Weight: Wrong • got heavier • Got lighter• Size: Right • Size: Wrong • got larger • Got smaller• Appearance: Right • Appearance: right • perfect oblong • Squishy

Rose's 8-17 Egg osmosis experiment

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