Food and Digestion Review
Presentation
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Biology
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6th - 7th Grade
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Practice Problem
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Medium
Helen Szelesi
Used 293+ times
FREE Resource
13 Slides • 8 Questions
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Food and Digestion Review
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Multiple Select
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Multiple Choice
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Multiple Choice
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Nutrition labels
These are tables full of information about what is in our food.
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This label is used for a question on the next slide.
Look at the information carefully.
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Multiple Choice
Use the image on the previous slide to answer this question.
How much total sugar is there in a serving of this milk?
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Testing for carbohydrates
Can you remember these?
Iodine is added to starch and it turns from brown to blue-black.
Benedicts solution is added to glucose solution and must be heated. A positive test results in a colour change from blue to brick red.
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Testing for Protein and Fats
For a protein test, you use Biuret solution and it will change from blue to lilac in the presence of protein.
By mixing ethanol and water with fats or oils and giving it a good shake, a cloudy white emulsion is formed.
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Multiple Choice
Lucy did a food test and these were her results. Which food type was she testing for?
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Digestive System
You will need to study this diagram of the human digestive system.
No doubt you will need to label a diagram in the near future!
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Multiple Choice
What is the part of the digestive system labelled with a '3'?
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Multiple Choice
Where does most of our digestion take place?
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Enzymes
Enzymes are proteins that speed up reactions in our bodies. They are really helpful in the digestive system as they break long insoluble molecules of food into smaller soluble molecules that we can absorb.
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Action of amylase
amylase enzyme digests starch, producing smaller sugars
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PROTEases digest PROTEins
Smaller amino acids are produced
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LIPases digest fats and LIPids
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Multiple Choice
Food and Digestion Review
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