Science is the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment. Somethings on earth are hard to explain not all thing will be able to be explain.Sometimes your hypothesis is not always right and you just got to be able to accept it and learn from it. You have to figure out why you got that answer and why your hypothesis was wrong. The difference between the words theories, laws, hypotheses, and observations.A theory is a well-substantiated explanation of some aspect of the natural . A law is a statement based on repeated experimental observations. A hypothesis is a statement that can be tested. An observation is the collecting of data.