True or false? 1. an uncovered pot of boiling water is an example of a closed system. 2. a hypothesis is a question, not a statement, to be tested. 3. scientists use the scientific method to create experiences. 4. kg is used to describe distance. 5. a mode when collecting data is the number that appears the most. 6. you record the shapes of clouds on snowy days in december. this is an example of a controlled experiment. 7. a system is a group of things that interact with each other. example, they universe, the human body. pls !