Student science investigatory projects provide students practical experience in using the scientific method and help stimulate their interest in scientific method and help stimulate their interest in scientific inquiry. Given the benefits society can realise from professional scientific inquiry, such goals in themselves have importance.

frequency or wavelenth of em radiation in a vacuum

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

option number c is the right answer.