One week she made sure to drink more water, the next week she made sure to go to bed and get up at the same time every day, and finally she made sure to have quick foods ready for breaks. Most of the ...One week she made sure to drink more water, the next week she made sure to go to bed and get up at the same time every day, and finally she made sure to have quick foods ready for breaks. Most of the information that we use in this textbook, from the amount of force that bones can support to the amount of energy contained in various foods, was determined by scientists using the scientific method, but maybe not in exactly the same way that you learned in middle school.