Turn it up! Sound scientists explore the decibel scale through an interactive that calculates movement up and down the scale. Part of a series of interactives that explore sounds and waves, the resource includes a help feature to support...

Role-play to learn. Writers pretend to be a team of news writers. They research information about genetically engineered corn and the impact of biotech food products. Then create a video, Powerpoint, or oral presentation to present their...