DK 
How to be Good at Science, Technology & Engineering Workbook 2, Ages 11-14 (Key Stage 3): The Simplest-Ever Visual Workbook 

PLEASE NOTE – this is a replica of the print book and you will need paper and a pencil to complete the exercises.
STEM subjects are where the future»s at. Now you can be a science superstar with this colourful practice ebook.
Are you a budding Einstein? Or do you need a little more help to avoid falling behind in science class? DK»s How to be Good at Science, Technology, and Engineering course ebook for children aged 7-14 now has two accompanying workbooks: Workbook 1 covers ages 7-11 and Workbook 2 covers ages 11-14.
These workbooks will help to cement everything you need to know about ‘STE’ subjects through practice questions and practical exercises. Easy-to-follow instructions allow you to try out what you»ve studied, helping you understand what you»ve learned in school or giving extra revision practice before that important test.
Workbook 2 is aimed at children aged 11-14 (Key Stage 3 in the UK; Grades 6, 7, and 8 in the US), and covers all the key areas of the school curriculum for this level, including genes and DNA, atoms and molecules, chemical reactions, the periodic table, heat transfer, electricity and magnetism, seasons and climate zones, and lots more. And there are answers at the back to check that you»re on the right path.
This engaging and clear workbook accompanies DK»s How to be Good at Science, Technology, and Engineering course ebook, but can also be used on its own to reinforce classroom teaching.