The five major nutrients-BOW 3 (Blog of the Week 3)

Fats-Your body needs certain fatty acids to produce cell membranes, myelin sheaths, and certain hormones.

Carbohydrates-carbohydrates are the main source of energy for the body.

Protein-proteins supply raw materials for growth and repair structures such as skin and muscle.

Vitamins-the orgainc molecules that help regulate body processes, often working with enzymes
vitamin C
Water- every cell in the human body needs water because many of the body's processes, including chemical reactions, take place in water

To start an experiment using scientific method, you need to gather information and resources, form a hypothesis, test your hypothesis, analyze the data you collected, interpret your data, make a conclusion about your experiment, and record your results.