Nature & science · Age 9 · Digestion, Teeth & Excretion
Tooth Decay – How Cavities Form and How to Prevent Them
Understand how tooth decay forms and what daily habits protect teeth from cavities.
Module
Digestion, Teeth & Excretion
Age
Age 9
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
What is dental plaque?
Question 2
Multiple choice
What does the acid produced by bacteria in plaque do to teeth?
Question 3
Multiple choice
Which drink is LEAST damaging to teeth?
Question 4
True or false
Tooth decay can be prevented completely by brushing, limiting sugar, and visiting the dentist regularly.
Question 5
Matching
Put the stages of tooth decay in order.
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Get started — it's freeMore exercises in this module
Digestive Organs – Know Your System
The Eggshell Experiment – Testing How Drinks Affect Teeth
Why We Chew – Mechanical vs Chemical Digestion
Science of the Experiment – Planning and Drawing Conclusions
Nutrients and Waste – What the Body Keeps and Removes
Drink Choices and Teeth – What the Experiment Tells Us