Describe scientific investigations by completing the following sentences.

Pure research becomes __________ when scientists develop a hypothesis based on the data and try to solve a specific problem.

Identify six substances mentioned in the book that are important in everyday life and are made of chemicals.

1. __________
2. __________
3. __________
4. __________
5. __________
6. __________



Answer :

Final answer:

The scientific method involves a systematic approach to investigations. Substances like water, salt, sugar, oxygen, carbon dioxide, and proteins are essential in daily life.


Explanation:

Scientific investigations involve a systematic process known as the scientific method. This method includes making observations, formulating hypotheses, designing experiments, collecting data, analyzing results, and drawing conclusions.

Six substances important in everyday life made of chemicals may include:

  1. Water
  2. Salt
  3. Sugar
  4. Oxygen
  5. Carbon Dioxide
  6. Proteins

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