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N3 Science- Food

Fragile Earth Food

QuestionAnswer
What are the requirements for Photosynthesis? Carbon dioxide, water, and light.
What are the requirements for Germination ? Water, Oxygen, and warmth.
Describe the term 'Food Miles' The distance that food travels between the grower and the home.
What happens during Iodine test for starch if starch is present? Turns blue/black if starch is present.
What are Yeast uses in food? Used to make bread, pizza, rolls, and cakes.
What is Fermentation? A process carried out by yeast cells that produces alcohol.
How is yoghurt produced? Bacteria is added to milk to make yoghurt.
What are the 3 Essential elements in fertilisers? Phosphorus, potassium, and nitrogen.
What can be used as Natural fertilisers? Manure and compost.
What process do plants use to make their own food? Photosynthesis
What do we call the process when seeds start to grow? Germination
What can be used to test for starch? Iodine
What are the benefits of using fertilisers? Increase crop yield Ensure plants have essential nutrients- Phosphorus, potassium + Nitrogen. To ensure healthy growth of plants
Why are fertilisers being used more ? World population is going up so we need more food.
What are some advantages of growing/ buying food abroad? Can buy foods not grown locally Wider range of foods available Help developing countries make money
What are some advantages of buying locally produced foods? Reduced travel cost Reduces carbon footprint Support local economy. Food is fresher and may contain more nutrients
Created by: mackas89
 

 



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