Osmosis Lab Write Up Assignment

Osmosis Lab Write Up Assignment Words: 337

What I already knew: Dehydrated apples have less Surface Revalued ratio Regular apples have water in them from their juice, meaning that in order for the rate of osmosis to balance out, there wouldn’t be as much osmosis occurring as in dehydrated apples because they have little to no water/juices. Why choose to use apples and dehydrated apples for the experiment: When we were given the experiment, I had eaten an apple only a few minutes ago. So when we were asked to pick a fruit or vegetable for the experiment, apples immediately came to mind.

After deciding on apples, I instantly thought of dehydrated apples because they were the only other form of apples that I have had before. Question: What is the change of rate of osmosis of sugar in apples when the apples are dehydrated? How I came up with the question: When decided that wanted to use apples to see the rate of change of osmosis of sugar, I realized needed some sort of independent variable. The only thing that I could think of was a dried apple, so I made the decision to compare the rate of osmosis of regular apples and dehydrated apples.

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Materials: 1 Red Apple 1 Pack of Dehydrated Red Apples Distilled Water Cups A pen A Device to Record Data On A Place to Let The Apples Sit A Scale Procedure: 1 . Gather the necessary materials needed for the experiment 2. Gather 6 plastic cups and weigh and record each one 3. Label 3 of the cups: Regular X (X stands for the trial number) 4. Label the rest of the other cups: Dried X (X stands for the trial number) 5. Pour ml of distilled water into each of the cups 6. Take a regular apple and split it in half 7.

Grab 3 pieces of regular apple and 3 pieces Of dehydrated apple 8. Weigh and record each of these pieces 9. Place a piece of regular apple in Regular 1 and a piece of dehydrated apple in Dried 1 10.