Discuss the following questions with your parent or sibling.
What is tooth decay?
What causes tooth decay?
How do you know?
Why do scientists ask questions?
Why do they carry out enquiries and tests?
Scientific or not?
Task 1- sort the questions into two categories: scientific questions or non- scientific questions.
Task 2- What makes teeth go bad?
A home experiment where you will need clean eggshells and liquids (eg water, milk, fizzy drink with sugar, sugar free) to test.
Please note, if you don't have these items available for today's lesson it can be carried out at a later stage.