Family Health and Sanitation
The lesson covers the definition of sanitation, its importance, and methods to maintain cleanliness. It also defines nutrition, explains balanced diet with examples, and discusses drug abuse and its effects.
- 12:15 “you eat in the right quantity and in the right proportion and your food most contain the nutrient that the body needs. An adequate diet is called balanced diet. The balanced diet is you eating the six classes of food. Yo...”
- 10:34 “and animals in order to live well. In order for living organisms to live well and to grow they need nutrition. They need to take in food that will give them nutrients. Food is a substance that we eat and digest in order...”
- 11:22 “cells. We have one-out cells, we have one-out tissues in our body. When they are worn out, we need food to replace them. If we do not eat, we can die of starvation. And we need those food to make us grow and develop a he...”
Digestive System
The lesson covers the organs involved in the digestive system and the process of digestion. It explains how food is broken down, absorbed, and the role of nutrients in the body. The lesson also discusses the gastrointestinal tract and associated organs.
- 02:33 “and we have the small intestine and finally the anus where the excess food or the food that are not needed by the body passes through. This is important because the body needs nutrients from food and drink to walk proper...”
- 01:42 “substances needed by the body. So the body needs energy and the energy is going from the nutrients received from the food that have been absorbed by the body. This is a diagram of a digestive system. Yes, the diagram of...”
- 15:19 “into the cell of the body will produce nutrients for the cell where they are needed and where they are used. That is the simulation of digested food. For example glucose is used in respiration to provide energy and a min...”
Introduction to Operations Research
This lesson defines operations research and explains its application in management, industry, and business. It covers the steps involved in solving problems using mathematical models and discusses different types of models used in operations research.
- 06:21 “involving x and y, if 15 nirah per kilogram is saved in preparing food x, and 90 nirah per kilogram is used to prepare food y, find how much each type of food the patient P can take in order to save the greatest amounts....”
- 05:34 “The number of units per kilogram of the two vitamin A and B present in the two types of food x and y are shown in the table below. We have the table. And that table is-- we have the first column we have vitamin A. And th...”
- 07:07 “And that's for vitamin A for food y is 3. And that of B is 4. We have 2x plus 3y. And we said 19 units of vitamin A. We need that less than or equal to 19. Then for x plus 4y, we add that it's going to be less than equal...”
Preparation of Snacks and Drinks
The lesson covers the preparation of donuts and coffee drinks. It includes the ingredients needed, the steps for making donuts, and how to prepare coffee. The lesson also discusses the importance of yeast in dough preparation.
- 00:02 “Good day, my name is Miss Mary. Today we'll be talking on home economics, JSS 3 class, we'll be continuing with the topic preparation, packaging, and marketing of food items. Last time we stopped at the duties of food se...”
- 09:23 “Stop all leftover food stalls and ingredients properly. We don't want to see litters of our food stalls all around the kitchen. Clean all the gadgets used for cooking. Now, the simple meal that we are serving today is me...”
- 08:35 “List and select food containing different nutrients. Use foods in season. Make sure that all tastes is required and within reach and clean. You can't just imagine you've started preparation of food and something that you...”
Sources of Energy
The lesson covers different sources of energy, including renewable and non-renewable types. It explains how energy is used in society and discusses the environmental impacts of various energy sources. Specific examples include petroleum, natural gas, solar energy, and wind energy.
- 08:36 “on what are surrounding the Earth. Okay, we have the bio-man energy. Like I said before, as I said, these are the energy that is getting from either from poultry, from animal escrets from inorganic substances. These are...”
- 09:24 “like the poultry with the wheat, the animal excretion, the cabbages, and more of it. We have many of it. These are ways of producing what's energy. Rotitins can also be produced also. And those Rotitins, like when we get...”
- 11:45 “it is used in agricultural. Now, in agriculture, we make use of energy, like we talk about the bio-man energy. These are from the inorganic materials. When we have those inorganic materials, it can be able to help us hel...”
Consumer Rights and Protection
The lesson covers the definition of consumer rights and the importance of detailed information about products. It explains the origin of consumerism and lists the eight universal consumer rights. The lesson also discusses unfair market practices and the role of consumer protection.
- 07:53 “Also, it is an idea that the increase in consumption of goods and services in the market, please, is an objective that promotes the wellbeing of a person, which is fundamental. Everyone of us, we need food to grow. We ne...”
- 17:33 “One, it is the right to basic needs, satisfaction of the consumer, healthy environment, everyone of us will need unhealthy environment. We made an example of the oil refinery. The oil creek, the people who live around th...”
- 13:30 “With industrial production, the better for the manufacturer of these products, imagine you sell bags, and then so much demand, I demand of school bags. If the manufacturer does not have access to raw materials of this la...”
Basic Economic Problems
This lesson covers the basic economic problems faced by society, including scarcity and resource allocation. It explains different economic systems such as capitalism, socialism, and mixed economy, and how they address these problems. The role of market forces in regulating the economy is also discu
- 27:14 “market and this product is very expensive that no one in that market can buy it, that company is going to run at a loss. So, when producers decide on what they want to produce, they also do their research and find out wh...”
- 26:22 “what we are going to be producing. So, the economic system is the key factor in determining what's to produce. In the capitalist system, the price system saves as determining factor. This means that goods and services th...”
- 32:42 “products for cannot afford it. Now, satisfaction of ones. That is another factor that defines for whom to produce contribution to the national income, defines for whom to produce. You most likely see this in a socialist...”