Y2_T3_TPCH_LSN1

• Science
• Middelbare school
• havo, vwo
• Leerjaar 2

          Y2_T3_TPCH_LSN1

THE TOOTHPASTE CHALLENGE

SIT IN YOUR TEAMS OF 3

GET READY:

- Google Classroom

- Lessonup

- Labjournal

- Challenge Doc

TIMELINE

• LESSON 1 -  Introduction
• LESSON 2 -  Define target group en first recipes
• LESSON 3 -  LAB - Make and test first recipes
• LESSON 4 -  Improve recipes
• LESSON 5 -  LAB - Make and test final recipes
• LESSON 6 -  Work on results and presentation
• LESSON 7 -  Presentations

TOOTHPASTE CHALLENGE

LESSON 1 - INTRODUCTION

TOOTHPASTE CHALLENGE

Design your own toothpaste, test it and improve it!

Present your final toothpaste to the whole class.

WHAT DOES TOOTHPASTE NEED?

• Cleans your teeth
• Smells and tastes nice
• Thick and sticks on a brush

BRAINSTORMING

What properties are important to you in a toothpaste?

• In your group, make a list of your top 4 properties
• Research 3 different ingredients that could be used to fulfill each property

TASK 1

What can you find around your home to make toothpaste?

Hint: Look up different toothpaste recipes