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Leno4ka [110]
2 years ago
15

Please help I will give brainiest‼️‼️‼️‼️‼️‼️‼️

Chemistry
1 answer:
telo118 [61]2 years ago
7 0

The scientific method is the method used for scientific discovery.

<h3>What is the scientific method?</h3>

The scientific method is the process or procedure which scientists follow in their discovery and explanation of natural phenomena.

The scientific method is as follows:

  • Observations/Questions
  • Hypothesis
  • Experiments
  • Results
  • Conclusions

Using the scientific method to determine if water is needed by plants to grow

Question: Is water needed for growth in plants?

Hypothesis: Plants need water

Independent variable: sunlight

Dependent variable: rate of evolution oxygen

Constant variable: sunlight and soil

Materials: Cupboard, soil, potted plant, water,

Procedure: One potted  potted plant is watered, while the other is not watered. The length of the plant is measured after 10 days

Observation: The watered plant survived and grew while that which was not watered did not grow but died.

Conclusion: water is needed for growth in plants.

In conclusion, the scientific method can be used to determine if plants need water for growth.

Learn more about scientific method at: brainly.com/question/17274244

#SPJ1

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Energy of electrons depends on light’s frequency, not intensity.

As per photoelectric effect, if we incident a light on metal surface it will results into emission of electron from it

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While if we increase frequency the energy of electrons will increase as

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