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Does how much water you add in a plant affect its growth?

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Purpose

I want to learn if how much water you put in a plant affects its growth?

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Hypothesis

If,I put 1 cup of water in a plant I think it will be too much and if I put 0 cups of water then it will be too little so I think that ½ a cup is what will make it grow taller.

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Materials

- 9 mini tomato plants

- Half a cup and one cup measurer

- Sunlight

- Ruler or measuring tape

-Paper to record data

(P.S this is for 3 tests)

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Procedure

First, I bought 9 plants and measuring cups. Then, I split the plants into 3 tests with 3 plants each using the same amount of sunlight. Next, I gave each plant a different amount of water every other day for 19 days. Through the process I took photos and I measured the plants and got my result.

(Note: all plants were initially 8 centimeters tall)

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Data table

0 cup

½ cup

1 cup

Test 1

Grew to 13 centimeters

Grew to 14 centimeters

Grew to 10 centimeters

Test 2

Grew to 10 centimeters

Grew to 15 centimeters

Grew to 14 centimeters

Test 3

Grew to 12 centimeters

Grew to 18 centimeters

Grew to 13 centimeters

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Data photos

P

H

O

T

O

S

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Extra Notes

- Each plants were initially 8 centimeters tall

- I watered them every other day

- For 19 days

- And they each had different amounts of water

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Conclusions

In conclusion, the answer is yes. Too little water or too much water can impact the growth of a plant.

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Real world connections

This can help someone who is planning to grow a garden or just a plant. It will show that you do have to watch out how much water you put in a plant because too much will make it grow less and too little will too.