Y2_T3_LSN_T.Introduction

• Science
• Middelbare school
• vwo
• Leerjaar 2

Designing toothpaste

Introduction

Introduction

Design your own toothpaste, test it and improve it! 

Present your final toothpaste

Groups of 3 students

Schedule

• Introduction (today)
• L1  Recipe development
• L2 Recipe testing
• L3 Recipe modification
• L4 Final recipe creation
• L5 Work on presentation
• L6 Final presentation (counts 2x)

What functions are needed  for a toothpaste?

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

Brainstorming

What properties are important to you in a toothpaste?

Make groups of 3 students

• In your group, make a list of your top 4 properties

• Research 3 different ingredients that could be used to fulfill each property

Ingredients

The basics will be provided by school

What can you find around your home to make toothpaste?

Hint: Look up different toothpaste recipes

You can bring own ingredients

Homework

• Make a group of 3 
• Brainstorm about what kind of ingredients you could use and what their function is