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Junk Food Science helps primary and secondary pupils understand the science linking health with diet, and inspires discussion around the options available to help improve the nation's eating habits.

The videos, lesson packs and activity ideas, ideal for use during National Science and Engineering Week in March 2011, are organised into three lessons, suitable for both primary and secondary science and PSHE classes: the Snack Bar Lesson, the News Report Lesson, and the Role Play Lesson.

Junk Food Science logo

Pupils have the opportunity to investigate the answers to big questions about the food we eat:

  • What are the links between diet and health?
  • Should some foods be banned?
  • How can we judge what's good or bad for us to eat?

Junk Food Science offers teachers free online resources and support materials created with the Centre for Science Education to help teachers plan and deliver Junk Food Science lessons at Key Stage 2, 3 and 4.

For the classroom there are videos presented by Stefan Gates from CBBC series Gastronuts, and resources and activities which will engage them in this topical debate.

Snack Bar Lesson

Teaching links between health and diet with a fictional snack bar. A science lesson for KS2, KS3 and KS4, which can also be used for PSHE.

Find all the Snack Bar videos by clicking on the image link to the series page. You can also download all the relevant resources below.

Primary Content

Notes for teachers for delivering the Snack Bar lesson at Key Stage 2
Snack Bar KS2 Lesson Teacher Notes (PDF 636kb)
Sample slides for use in the Snack Bar lesson at Key Stage 2
Snack Bar KS2 Sample PowerPoint Slides (Powerpoint 230kb)
Activity sheets for use in the Snack Bar lesson at Key Stage 2
Snack Bar KS2 Lesson Activity Sheets (PDF 1,688kb)
CPD PowerPoint for teachers for the Snack Bar lesson at Key Stage 2
Snack Bar KS2 CPD PowerPoint Slides (Powerpoint 197kb)
CPD PowerPoint for teachers running discussions on Junk Food Science at Key Stage 2
Snack Bar Running Discussions KS2 CPD PowerPoint Slides (Powerpoint 245kb)

Secondary Content

Notes for teachers for delivering the Snack Bar lesson at Key Stage 3 and Key Stage 4
Snack Bar KS3/4 Lesson Teacher Notes (PDF 740kb)
Sample slides for use in the Snack Bar lesson at Key Stage 3 and Key Stage 4
Snack Bar KS3/4 Sample PowerPoint Slides (Powerpoint 272kb)
Activity sheets for use in the Snack Bar lesson at Key Stage 3 and Key Stage 4
Snack Bar KS3/4 Lesson Activity Sheets (PDF 1,055kb)
CPD PowerPoint for teachers for the Snack Bar lesson at Key Stage 3 and Key Stage 4
Snack Bar KS3/4 Lesson CPD PowerPoint Slides (Powerpoint 209kb)
CPD PowerPoint for teachers running discussions on Junk Food Science at Key Stage 3 and Key Stage 4
Snack Bar Running Discussions KS3/4 CPD PowerPoint Slides (Powerpoint 233kb)

News Report Lesson

A fictional news report proposing a ban on junk foods for under 16s, prompts discussion and activities. A science lesson for KS2, KS3 and KS4, which can also be used for PSHE.

Find all the News Report videos by clicking on the image link to the series page. You can also download all the relevant resources below.

Primary Content

Notes for teachers for delivering the News Report lesson at Key Stage 2
News Report KS2 Lesson Teacher Notes (PDF 660kb)
Sample slides for use in the News Report lesson at Key Stage 2
News Report KS2 Lesson Sample PowerPoint Slides (Powerpoint 177kb)
Activity sheets for use in the News Report lesson at Key Stage 2
News Report KS2 Lesson Activity Sheets (PDF 478kb)
CPD PowerPoint for teachers for the News Report lesson at Key Stage 2
News Report KS2 Lesson CPD PowerPoint Slides (Powerpoint 226kb)
CPD PowerPoint for teachers running discussions on Junk Food Science at Key Stage 2
News Report Running Discussions KS2 CPD PowerPoint Slides (Powerpoint 245kb)

Secondary Content

Notes for teachers for delivering the News Report lesson at Key Stage 3 and Key Stage 4
News Report KS3/4 Lesson Teacher Notes (PDF 674kb)
Sample slides for using in the News Report lesson at Key Stage 3 and Key Stage 4
News Report KS3/4 Lesson Sample PowerPoint Slides (Powerpoint 181kb)
Activity sheets for use in the News Report lesson at Key Stage 3 and Key Stage 4
News Report KS3/4 Lesson Activity Sheets (PDF 518kb)
CPD PowerPoint for teachers for the News Report lesson at Key Stage 3 and Key Stage 4
News Report KS3/4 Lesson CPD PowerPoint Slides (Powerpoint 229kb)
CPD PowerPoint for teachers running discussions on Junk Food Science at Key Stage 3 and Key Stage 4
News Report Running Discussions KS3/4 CPD PowerPoint Slides (Powerpoint 233kb)

Role Play Lesson

Looking at the importance of a healthy diet and using role play to explore the issues surrounding it. A science lesson for KS2, KS3 and KS4, which can also be used for PSHE.

Find all the Role Play videos by clicking on the image link to the series page. You can also download all the relevant resources below.

Primary Content

Notes for teachers for delivering the Role Play lesson at Key Stage 2
Role Play KS2 Lesson Teacher Notes (PDF 696kb)
Sample slides for use in the Role Play lesson at Key Stage 2
Role Play KS2 Lesson Sample PowerPoint Slides (Powerpoint 182kb)
CPD PowerPoint for teachers for the Role Play lesson at Key Stage 2
Role Play KS2 Lesson CPD PowerPoint Slides (Powerpoint 261kb)

Secondary Content

Notes for teachers for delivering the Role Play lesson at Key Stage 3 and Key Stage 4
Role Play KS3/4 Lesson Teacher Notes (PDF 720kb)
Sample slides for use in the Role Play lesson at Key Stage 3 and Key Stage 4
Role Play KS3/4 Lesson Sample PowerPoint Slides (Powerpoint 183kb)
CPD PowerPoint for teachers for the Role Play lesson at Key Stage 3 and Key Stage 4
Role Play KS3/4 Lesson CPD PowerPoint Slides (Powerpoint 266kb)