Is science based on observation or experimentation?

What is the patterns in a observation to say what may happen next? How do Scientists always prove or disprove their explanations by? How do you know the students in the above study are acting as scientist? Will any of these properties change after a couple of hours in the Sun Explain.? What is the information collected after an experiment is performed? How tall is 4 feet 10 inch in inches? Why it should be dry graduated cylinder will be used in measuring volume? How do you use the verb jar in a sentence? What the difference between a fact and a hypothesis? What is 62 Fahrenheit to celsius? What are the 2 main types of asepsis? What is the average temperature of cold tap water? What is an hypothesis in an experiment? What are facts about Chappal Waddi? What is the purpose of a dehumidifier? How fast is the gulf stream? What term means drawing conclusions based on facts gathered during an experiment? Why are electrons shared equally in the Ozone and unequally in carbon dioxide? Why do plants which grow from vegetative propogation grow faster than the plants which grow from seeds? What are the important characteristics of a leader?