According to, the project method of teaching is an educational enterprise in which children solve a particular problem over a period of days or weeks. It offers teachers a way to develop in-depth thin... More »

One method for teaching the water cycle is to describe and label a water cycle poster. A hands-on method is to create a model of the water cycle. Other options include using songs or having the children write a story of ... More »

Teachers can use workbooks to reinforce the material learned during a lecture, allow students self-study time during the day and prompt students to write and reflect about the subject matter. Teachers can also use workbo... More »

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The research design paper identifies a problem, discusses literature written about the problem, describes the methodology used in the research project and its results and then summarizes the research results. Writing thi... More »

According to Scientific American, the world record for the longest period without sleep goes to a high school student who stayed awake for 11 days in the 1960s as part of a science fair project. Sleep deprivation causes ... More »

An adult flea can live in carpet, without a host, for a period of between a few days to a couple of weeks. The length of the survival time depends upon how much the flea has ingested from a host before ending up in carpe... More »

The average gestation period in humans is 280 days or 40 weeks. The gestation period begins on the first day of the woman's last menstrual period. Full-term babies are born from 37 weeks to 42 weeks of the estimated date... More »