Science 3rd grade | UNIT 2: Looking after ourselves 2.3 An unhealthy diet
Activity 2.3a (Which drinks have the most sugar?)
You will need: some drinks and their labels
Predict which drinks are healthy and which are unhealthy.
Read the labels to find out how much sugar is in each drink.
Record your results in a table.
Activity 2.3b (What does sugar do to teeth?)
You will need: a drink with lots of sugar - water egg shells - 2 plastic cups
The material that makes up egg shells is similar to the material that makes up your teeth. Look at the pictures to see what to do. Predict what you think will happen to the egg shells.
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Think about what you found out. Explain what too much sugar can do to your teeth.
Eating lots of fat, sugar and salt makes your diet unhealthy. Fat and salt are bad for your heart.
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Challenge
Is fruit juice good for your teeth?
How could you find out?
Discuss this with your friends.
Questions
Copy and complete these sentences.
1) Too much sugar is bad for your …………………..
2) Too much fat and salt is bad for your ……………………………