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Amount of surface area by folding one paper towel into half, the second 1/4 and the last one was not folded. The duration is 30 minutes.

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Different levels of water in flask

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Amount of exposed surface area of each beaker

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The changed variable is the area of exposed area.

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Cap A smaller exposed area and cap B(poured out) larger exposed area

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Expose surface area

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Bottle cap filled with water and one with water spilled

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1. Water

2. Test tube

3. Clip

4. Beaker

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1. measuring cylinder

2. 80ml beaker

3. 200ml beaker

4. 400ml beaker

5. Plastic beaker(not used for experiment only used for pouring water)

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4 flasks

Water

Stopwatch

Weighing Scale

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Beaker, 2 measuring cylinder, conical flask,

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3 paper towels

1 beaker

2 droppers

Water

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Procedure:

1. Label the flask to set up A, B., C and D.

2. Add 100ml,150 ml, 200ml, 250ml of water to set-up A, B, C, and D respectively.

4. Place the set up on a table under in the classroom for 2 hours.

5. Measure the volume of the water left.

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Procedure:

1. Label the flask to set up A ,B,C and D

2. Add 100 ml of water to all flasks

3. Place all the beaker on the table until the next day

4.measure the volume of water left in each beaker

5.Record the results

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(plastic beaker is not used in experiment. only used for pouring water.) A,B and C are all filled with 50ml of water.

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Procedure:

1. Label the flask to set up A and B.

2. Add 50 ml of water to both set-up

3. (Fold cloths X, Y and Z into half, quarters and eighths respectively.)

4. Place the set up on a table under in the classroom.

5. Record the time in which the water dried up in each set-up.

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Procedure:

1. Label the test tube to set up A and B.

2. Add 17ml of water to both set-up

3. Tilt test tubeA

4. Wait for 1day

5. Measure the result

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Amount of water left in the test tube by pouring the water in the measuring tube

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Find the difference in volume, before and after the experiment after 1 hour.

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The amount of water left after 10 min

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Least amount of water left

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We measure the result by checking how long it will take for one of the beakers to evaporate.

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Measure the time it took for it to completely dry up.

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Procedure:

1. Label the flask to set up A and B.

2. Add 50 ml of water to both set-up

3. (Fold cloths X, Y and Z into half, quarters and eighths respectively.)

4. Place the set up on a table under in the classroom.

5. Record the time in which the water dried up in each set-up.

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Picture

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Procedure:

1. Label the flask to set up A and B.

2. Add 50 ml of water to both set-up

3. (Fold cloths X, Y and Z into half, quarters and eighths respectively.)

4. Place the set up on a table under in the classroom.

5. Record the time in which the water dried up in each set-up.

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When the exposed surface area of the water level increases, the rate of evaporation increases.

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When the expose surface area increases, the rate of evaporation increases

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xoxo

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xoxo

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xoxo

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xoxo

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Picture hahah look our leader face :) :) hahahah science da best!,!

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Picture

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Group member:Leader:Ruixian

:professor:Zheng Rui

Members:Judson,Kaylee ,Kayla ,Qian yi , Zheng Rui