Provides students with some ideas or techniques that might work to separate their mixture of recyclable materials. The website reviews evaporation, distillation, magnetism, and filtration.

This website gives the density, melting, and boiling points of various common solid materials. The students could use this site as they are trying to decide on which physical properties to use to separate recyclable materials from a mixture of trash.

This is a catchy song that will help the students remember the differences between physical and chemical properties. They need to think about various properties in order to determine how materials can be separated during the recycling process.