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Transcript

The Effects of Sugar Water on Plants

Materials

  • two pots (same width/height)
  • two bean plants (4 1/2 cm.)
  • two 4 ounce cups of water (daily)
  • same amount of soil from the same yard
  • sugar (two teaspoons)
  • access to a window with good sunlight

Step One

First you empty each container of soil in the pots

Step Five

Step Two

Do this repeatedly and record the height of growth in the plants in your data table each day

Put both bean plants into the soil

Data Table

Procedure

Key Plant A: Plant B:

Step Four

Step Three

Water the control plant with 4 ounces of distilled water, and water the experimental plant with sugar mixed with 4 ounces of distilled water (daily)

Put both plants at a space on a windowsill where they can get a generous amount of sunlight

8 cm.

7 cm.

6 cm.

5 cm.

4 cm.

3 cm.

Hypothesis

Week 1 Week 2 Week 3

If sugar water is used in the place of distilled water, then the plant will grow bigger

Independent Variable

Experimental Controls

the amount of water being used each day, the types of plants being used, amount of sunlight, amount of soil, temperatures both plants are in

Control Group

The bean plant being watered with distilled water

Analysis and Conclusion

Amount of sugar water added to the plant

Dependent Variable

The growth in the bean plant

Journal Entries

The data was clear and very easy to read. When the plant was give water and sugar it could not thrive period. The plant was on death row and it wouldn't have taken another week for it to die completely. The death was gradual then all at once. Sugar water had a significant effect on the plant life. Supported by my data I conclude that my hypothesis was incorrect, and that plants grow better with pure water than they do with sugar water. Simple things that could have influenced the experiment were the positions on the windowsill, or the sugar water attracting bugs. My experiment also wasn't completely accurate because if it were to be deamed so I would have needed to use several bean plants and not just one to increase the validity of my hypothesis.

Central Question

  • This is the first week, the plants seem to be vibrant and normal. They are about the same height. They are the same color and have about the same amount of leaves and look fine
  • This is the second week, the plant are looking different. The plant A is continuing to thrive, and the plant B is getting dull. Its leaves are dying. It is still standing though. It is slightly shorter than plant A, however it is significantly weaker
  • This is the third week, the plants don't look like they were given the same seeds. The first plant A is growing and growing like a normal plant should. It has nice vibrant green leaves. You could almost say that the plant B was dead. It was only 3 cm., which is lower than the initial height. It is in a state of almost disrepair. Unless you care for plant A and plant B in the same way the second plant is going to die completely.

Do plants grow better with or without sugar water?

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