What is an endiocardiogram?

Should the damper stay all the way open when you have a fire going? What science tool is used to pick up and hold objects and is similar to tongs and tweezers? Example of a subject? Why is the pH of pure water 7? 3 possible outcomes of scientific inquiry? Following the rules of being fair and honest? What is the scientific name off a ruler? What is another word for general information? Is the wind blow N to S in a desert - what does the dune look like steep south slope? How do you measure velocity in supersonic jet? Is egg white a colloid suspension or mechanical mixtures? Is a well cooked steak chemical or physical change? What is the scientific word for an external skeleton? Which of these words originated in science fiction literature and is used today? What is the word for a personal opinion that may affect experiments? What are the objects that stomp used? Do experiments always turn out as expected? Is 1.7 larger than 1.4? Which sentence describes a liquid? How can you use the word indication in a sentence?