1) ................. is a film of bacteria that coats your teeth and causes tooth decay. a) cavity b) toothpaste c) canine d) plaque 2) How often should you clean your teeth? a) never b) twice a day c) after food d) once a day 3) How much toothpaste should you put on your toothbrush? a) the full brush b) a pea sized blob c) nothing d) a cabbage sized blob 4) When should you brush your teeth? a) at night b) when you wake up c) in the morning and at night d) after lunch 5) How long should you brush your teeth for? a) two minutes b) two seconds c) three minutes d) two hours 6) Should you rinse your mouth after brushing your teeth? a) Yes b) No 7) Why is it important to use fluoride toothpaste? a) Fluoride creates tooth decay. b) Fluoride helps to prevent tooth decay. c) Fluoride helps grow your teeth. d) Fluoride is bad for your teeth. 8) Which types of food and drink cause tooth decay? a) Fruit and vegetables b) Bananas c) Watermelon d) Sugary food and drinks 9) What is a hole in your tooth enamel called? a) Dental cavity b) A filling c) Decay d) Floss 10) How often should you visit the dentist? a) four times a year b) never c) only when you are a baby then an adult d) at least once a year

Week 6 Science - Quiz

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