Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...

Science demo in the lab verse in front of the class A video showing that demos do not always go as planned. Titration curves and calculations Explains titration equations and calculations. What color ...

HEMCO’s Classroom Demonstration Hood is ideal for classroom experiments and demonstrations because of its viewing visibility from all four sides. An instructor can perform a science demonstration ...