Click  here to download the e-Book with Chemistry and Physics Lessons for Grades 10, 11 and 12  (75 MB).

While downloading the e-book a small black screen will be visible, confirming the installation.

Click OK when “Setup has finished the installation” appears.

Open the e-Book from the Direct-Science Icon on the desk top of your computer.

The User Identification Code is reflected on the right side.

Click on Index.

Click on any grade for names of lessons.

To activate the lessons - email the User Identification Code to,

science@chemistry-physics.com

An activation code will be returned within 24 h.