Curated OER
What Do Salt Trucks Do?
Students predict what will happen to ice when salt is put on it. They make observations and discuss what actually happened to the ice. They relate their experiment to the salt trucks they see on the street.
Exploratorium
Exploratorium: Museum of Science, Art and Perception
This museum provides numerous online exhibits about everything from the science of sports to the Hubble Telescope. Each exhibit includes learning ideas, fun activities, articles, and learning games.