Holt Science Spectrum Physical Science has been retired and is no longer available. Many of our legacy programs including Holt Science Spectrum Physical Science use digital components that were designed at the time of the program's release. As with most technologies, these legacy solutions will likely demonstrate degradation issues over time (as is evidenced by Adobe Flash no longer being supported by most current Internet browsers).

It has been determined that due to these technological issues, Holt Science Spectrum Physical Science has been retired. Please contact your HMH Account Executive if you have questions regarding a current Holt Science Spectrum Physical Science contract.