Looking after our teeth: review (non-statutory) | Science

Starter quiz

Food such as sweets, cakes and biscuits often contain lots of ...

'sugar' ✓
Which of these things can build up on teeth if you eat lots of sugary food and drink lots of sugary drinks?

toothpaste

slime

enamel

plaque ✓
Which of these products help you look after your teeth?

bandage

toothbrush ✓

candy floss

dental floss ✓

toothpaste ✓
Which teeth are your first set that you have as a child?

permanent teeth

adult teeth

deciduous teeth ✓

first teeth
Animals have different shaped ______ depending on what type of food they eat.

'teeth' ✓
What type of investigation is it when scientists look carefully at changes that occur gradually?

fair test

pattern seeking

secondary research

observation over time ✓

identifying and classifying

Too much __________ can cause damage to teeth.

water

toothpaste

sugar ✓

smiling
In a conclusion, scientists often refer to earlier ______ of what they thought was going to happen.

'predictions' ✓
What kind of data could you observe and collect when investigating which drinks cause the most damage to teeth?

How the eggshells changed. ✓

How the amount of liquids changed.

How much the eggs cost.

How much the drinks weighed.
Where can you find out about how much sugar a food or drink contains?

on a calculator

on the packaging ✓

on your shopping list

on a graph ✓
Using the graph below, put the drinks in order of highest sugar content to lowest sugar content.

1

⇔

cola

2

⇔

orange juice

3

⇔

cordial

4

⇔

diet cola and water
When scientists have reviewed the data from an investigation, they write a ______ to explain what their results show and mean.

'conclusion' ✓

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Scientists make careful observations to investigate which drinks are harmful to teeth.
Scientists review data collected from observations and write conclusions.
In a conclusion, scientists often refer to earlier predictions of what they thought was going to happen.
Too much sugar in food or drink can damage teeth. Information about sugar content in drinks can be found on packaging.
Scientists often present data in a graph to help explain their conclusions to other people.

May believe diet drinks are good for teeth as they don't have sugar in them.

As children observe the eggshells left in different drinks, they will see that diet drinks can still cause tooth decay and discolouration.

Observations - We make observations when we look closely at something and use other senses too.
Data - Data is information collected during an investigation. It may be numbers, symbols, pictures or text.
Conclusion - In a conclusion, scientists explain what the results show or mean.
Sugar - Sugar is used to flavour food and drinks to give them a sweet taste.
Graph - A graph is a visual way to display results to make them easy to understand.