Natural Sciences and Technology Grade 6-A - Thunderbolt Kids
Natural Sciences and Technology Grade 6-A - Thunderbolt Kids Natural Sciences and Technology Grade 6-A - Thunderbolt Kids
DID YOU KNOW? Dr J. H. Kellogg invented a type of granola cereal in 1860 - it was meant for Seventh Day Adventists who were following a very strict diet. Later his brother joined him and they started their company Kelloggs! Do you think they were successful?! ACTIVITY: Learning how to summarize Sometimes we are presented with alot of information and we need to condense it to make it easier to remember. This is called summarizing and it is avery useful skill. INSTRUCTIONS: 1. Use the space below to draw a table to summarize the information above about the levels of food processing. 2. Include ashort description of the level of food processing and examples. 3. Think about how many columns and rows you will need. 4. Give your table aheading. Food processing methods As you could see in the above breakdown, the degree in which food is processed determines many of the food preserving processes involved. Food processing methods have changed in many ways, but the basic principles are still applied. Food is still dried or heated to 66 Life and Living
preserve it, just like people did 300 years ago, but there are many modern methods that are also used today. • sun drying • fermenting dairy into cheese, buttermilk (Amasi) or yogurt, or barley or grapes • pickling vegetables (onions or gherkins for example) • salting and spicing meet to preserve it (then drying it) • adding sugar to berries and/or fruit to make preserves • pasteurization: using just the right amount of heat to warm up milk or juice for example, to extend the shelflife • cooking: roasting, smoking, baking, frying • toasting • freezing or refrigerating • freeze drying • spray drying • making juice concentrates QUESTIONS When you go home from school today, make alist of the food products that you have at your house (whether they are in the cupboard, the fridge or the freezer). Next to each item, write down the type of processing it might have gone through, using the list above asaguideline. Chapter 4. Food processing DID YOU KNOW? The Ndebele people of southern Africa eat a plant called Umrorho. It is cooked or dried by spreading it out in the sun so that it can be stored for the cold winter months. 67
- Page 25 and 26: QUESTIONS: 1. Which test do you thi
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- Page 69 and 70: Benefits of food processing Food pr
- Page 71 and 72: Food Reason for being processed Raw
- Page 73 and 74: ACTIVITY: Class discussion INSTRUCT
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- Page 83 and 84: KEY CONCEPTS • Food is processed
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DID YOU KNOW?<br />
Dr J. H. Kellogg<br />
invented a type of<br />
granola cereal in 1860<br />
- it was meant for<br />
Seventh Day<br />
Adventists who were<br />
following a very strict<br />
diet. Later his brother<br />
joined him <strong>and</strong> they<br />
started their company<br />
Kelloggs! Do you<br />
think they were<br />
successful?!<br />
ACTIVITY: Learning how to summarize<br />
Sometimes we are presented with alot of information <strong>and</strong> we need<br />
to condense it to make it easier to remember. This is called<br />
summarizing <strong>and</strong> it is avery useful skill.<br />
INSTRUCTIONS:<br />
1. Use the space below to draw a table to summarize the<br />
information above about the levels of food processing.<br />
2. Include ashort description of the level of food processing <strong>and</strong><br />
examples.<br />
3. Think about how many columns <strong>and</strong> rows you will need.<br />
4. Give your table aheading.<br />
Food processing methods<br />
As you could see in the above breakdown, the degree in which<br />
food is processed determines many of the food preserving<br />
processes involved.<br />
Food processing methods have changed in many ways, but the<br />
basic principles are still applied. Food is still dried or heated to<br />
66 Life <strong>and</strong> Living
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